----------------------------
                          UNITED STATES                    OMB APPROVAL
               SECURITIES AND EXCHANGE COMMISSION   ----------------------------
                     Washington, D.C. 20549         OMB Number: 3235-0145
                                                    Expires: October 31, 2002
                                                    Estimated average burden
                                                    hours per response.... 14.90
                                                    ----------------------------

                                  SCHEDULE 13G

                    Under the Securities Exchange Act of 1934

                               (Amendment No. 1) *

                                 SmartPros Ltd.
--------------------------------------------------------------------------------
                                (Name of Issuer)

                         Common Stock, par value $0.0001
--------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                    83171G103
                        ---------------------------------
                                 (CUSIP Number)

                                December 31, 2007
--------------------------------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

      [ ]   Rule 13d-1(b)

      [X]   Rule 13d-1(c)

      [ ]   Rule 13d-1(d)

* The remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for any  subsequent  amendment  containing  information  which  would  alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the ACT
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).

                                Page 1 of 9 pages



CUSIP No.      83171G103

--------------------------------------------------------------------------------
    1.  Names of Reporting Persons.              John H. Lewis
        I.R.S. Identification Nos. of above persons (entities only).
--------------------------------------------------------------------------------
    2.  Check the Appropriate Box if a Member of a Group (See Instructions)
        (a) [ ]
        (b) [X]
--------------------------------------------------------------------------------
    3.  SEC Use Only
--------------------------------------------------------------------------------
    4.  Citizenship or Place of Organization     United States
--------------------------------------------------------------------------------

Number of             5.  Sole Voting Power           0
Shares Bene-      --------------------------------------------------------------
ficially owned
by Each               6.  Shared Voting Power         252,011
Reporting         --------------------------------------------------------------
Person With:
                      7.  Sole Dispositive Power      0
                  --------------------------------------------------------------

                      8.  Shared Dispositive Power    252,011
--------------------------------------------------------------------------------
    9.  Aggregate Amount Beneficially Owned by Each Reporting Person     252,011
--------------------------------------------------------------------------------
   10.  Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
        Instructions)   [ ]
--------------------------------------------------------------------------------
   11.  Percent of Class Represented by Amount in Row (9)   5.0%
--------------------------------------------------------------------------------
   12.  Type of Reporting Person (See Instructions)   IN
--------------------------------------------------------------------------------

                                Page 2 of 9 pages



CUSIP No.      83171G103

--------------------------------------------------------------------------------
    1.  Names of Reporting Persons.              Osmium Partners, LLC
        I.R.S. Identification Nos. of above persons (entities only).
--------------------------------------------------------------------------------
    2.  Check the Appropriate Box if a Member of a Group (See Instructions)
        (a) [ ]
        (b) [X]
--------------------------------------------------------------------------------
    3.  SEC Use Only
--------------------------------------------------------------------------------
    4.  Citizenship or Place of Organization     Delaware
--------------------------------------------------------------------------------

Number of             5.  Sole Voting Power           0
Shares Bene-      --------------------------------------------------------------
ficially owned
by Each               6.  Shared Voting Power         252,011
Reporting         --------------------------------------------------------------
Person With:
                      7.  Sole Dispositive Power      0
                  --------------------------------------------------------------

                      8.  Shared Dispositive Power    252,011
--------------------------------------------------------------------------------
    9.  Aggregate Amount Beneficially Owned by Each Reporting Person     252,011
--------------------------------------------------------------------------------
   10.  Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
        Instructions)   [ ]
--------------------------------------------------------------------------------
   11.  Percent of Class Represented by Amount in Row (9)   5.0%
--------------------------------------------------------------------------------
   12.  Type of Reporting Person (See Instructions)   OO
--------------------------------------------------------------------------------

                                Page 3 of 9 pages



CUSIP No.      83171G103

--------------------------------------------------------------------------------
    1.  Names of Reporting Persons.              Osmium Capital, LP
        I.R.S. Identification Nos. of above persons (entities only).
--------------------------------------------------------------------------------
    2.  Check the Appropriate Box if a Member of a Group (See Instructions)
        (a) [ ]
        (b) [X]
--------------------------------------------------------------------------------
    3.  SEC Use Only
--------------------------------------------------------------------------------
    4.  Citizenship or Place of Organization     Delaware
--------------------------------------------------------------------------------

Number of             5.  Sole Voting Power           0
Shares Bene-      --------------------------------------------------------------
ficially owned
by Each               6.  Shared Voting Power         105,337
Reporting         --------------------------------------------------------------
Person With:
                      7.  Sole Dispositive Power      0
                  --------------------------------------------------------------

                      8.  Shared Dispositive Power    105,337
--------------------------------------------------------------------------------
    9.  Aggregate Amount Beneficially Owned by Each Reporting Person     105,337
--------------------------------------------------------------------------------
   10.  Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
        Instructions)   [ ]
--------------------------------------------------------------------------------
   11.  Percent of Class Represented by Amount in Row (9)   2.1%
--------------------------------------------------------------------------------
   12.  Type of Reporting Person (See Instructions)   PN
--------------------------------------------------------------------------------

                                Page 4 of 9 pages



CUSIP No.      83171G103

--------------------------------------------------------------------------------
    1.  Names of Reporting Persons.              Osmium Capital II, LP
        I.R.S. Identification Nos. of above persons (entities only).
--------------------------------------------------------------------------------
    2.  Check the Appropriate Box if a Member of a Group (See Instructions)
        (a) [ ]
        (b) [X]
--------------------------------------------------------------------------------
    3.  SEC Use Only
--------------------------------------------------------------------------------
    4.  Citizenship or Place of Organization     Delaware
--------------------------------------------------------------------------------

Number of             5.  Sole Voting Power           0
Shares Bene-      --------------------------------------------------------------
ficially owned
by Each               6.  Shared Voting Power         124,234
Reporting         --------------------------------------------------------------
Person With:
                      7.  Sole Dispositive Power      0
                  --------------------------------------------------------------

                      8.  Shared Dispositive Power    124,234
--------------------------------------------------------------------------------
    9.  Aggregate Amount Beneficially Owned by Each Reporting Person     124,234
--------------------------------------------------------------------------------
   10.  Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
        Instructions)   [ ]
--------------------------------------------------------------------------------
   11.  Percent of Class Represented by Amount in Row (9)   2.5%
--------------------------------------------------------------------------------
   12.  Type of Reporting Person (See Instructions)   PN
--------------------------------------------------------------------------------

                                Page 5 of 9 pages



CUSIP No.      83171G103

--------------------------------------------------------------------------------
    1.  Names of Reporting Persons.              Osmium Spartan, LP
        I.R.S. Identification Nos. of above persons (entities only).
--------------------------------------------------------------------------------
    2.  Check the Appropriate Box if a Member of a Group (See Instructions)
        (a) [ ]
        (b) [X]
--------------------------------------------------------------------------------
    3.  SEC Use Only
--------------------------------------------------------------------------------
    4.  Citizenship or Place of Organization     Delaware
--------------------------------------------------------------------------------

Number of             5.  Sole Voting Power           0
Shares Bene-      --------------------------------------------------------------
ficially owned
by Each               6.  Shared Voting Power         22,440
Reporting         --------------------------------------------------------------
Person With:
                      7.  Sole Dispositive Power      0
                  --------------------------------------------------------------

                      8.  Shared Dispositive Power    22,440
--------------------------------------------------------------------------------
    9.  Aggregate Amount Beneficially Owned by Each Reporting Person      22,440
--------------------------------------------------------------------------------
   10.  Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
        Instructions)   [ ]
--------------------------------------------------------------------------------
   11.  Percent of Class Represented by Amount in Row (9)   0.4%
--------------------------------------------------------------------------------
   12.  Type of Reporting Person (See Instructions)   PN
--------------------------------------------------------------------------------

                                Page 6 of 9 pages



Item 1.
(a)   The name of the issuer is SmartPros Ltd. (the "Issuer").
(b)   The principal executive office of the Issuer is located at 12 Skyline
      Drive, Hawthorne, New York 10532.

Item 2.
(a)   This statement (this "Statement") is being filed by John H. Lewis, the
      controlling member of Osmium Partners, LLC, a Delaware limited liability
      company ("Osmium Partners"), which serves as the general partner of Osmium
      Capital, LP, a Delaware limited partnership (the "Fund"), Osmium Capital
      II, LP, a Delaware limited partnership ("Fund II"), and Osmium Spartan,
      LP, a Delaware limited partnership ("Fund III") (all of the foregoing,
      collectively, the "Filers"). The Fund, Fund II and Fund III are private
      investment vehicles formed for the purpose of investing and trading in a
      wide variety of securities and financial instruments. The Fund, Fund II
      and Fund III directly own the common shares reported in this Statement.
      Mr. Lewis and Osmium Partners may be deemed to share with the Fund, Fund
      II and Fund III (and not with any third party) voting and dispositive
      power with respect to such shares. Each Filer disclaims beneficial
      ownership with respect to any shares other than the shares owned directly
      by such Filer.

(b)   The Principal Business Office of the Filers is 388 Market Street, Suite
      920, San Francisco, California 94111.

(c)   For citizenship information see item 4 of the cover sheet of each Filer.

(d)   This Statement relates to the Common Stock of the Issuer.

(e)   The CUSIP Number of the Common Stock of the Issuer is 83171G103.

Item 3. If this statement is filed pursuant to 240.13d-1(b), or 240.13d-2(b) or
(c), check whether the person filing is a:
(a)   [ ]   Broker or dealer registered under section 15 of the Act (15 U.S.C.
            78o).

(b)   [ ]   Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

(c)   [ ]   Insurance company as defined in section 3(a)(19) of the Act (15
            U.S.C. 78c).

(d)   [ ]   Investment company registered under section 8 of the Investment
            Company Act of 1940 (15 U.S.C. 80a-8).

(e)   [ ]   An investment adviser in accordance with 240.13d-1(b)(1)(ii)(E);

(f)   [ ]   An employee benefit plan or endowment fund in accordance with
            240.13d-1(b)(1)(ii)(F);

(g)   [ ]   A parent holding company or control person in accordance with
            240.13d-1(b)(1)(ii)(G);

(h)   [ ]   A savings associations as defined in Section 3(b) of the Federal
            Deposit Insurance Act (12 U.S.C. 1813);

(i)   [ ]   A church plan that is excluded from the definition of an investment
            company under section 3(c)(14) of the Investment Company Act of 1940
            (15 U.S.C. 80a-3);

(j)   [ ]   Group, in accordance with 240.13d-1(b)(1)(ii)(J);

Not applicable.

Item 4. Ownership.
See  Items  5-9 and 11 on the  cover  page  for  each  Filer,  and  Item 2.  The
percentage  ownership of each Filer is based on 5,012,028 shares of Common Stock
outstanding as of November 1, 2007, as reported on the Issuer's quarterly report
on Form  10-QSB  filed on  November 6, 2007 for the  quarterly  period  ended on
September 30, 2007.

                                Page 7 of 9 pages



Item 5. Ownership of Five Percent or Less of a Class
If this statement is being filed to report the fact that as of the date hereof
the reporting person has ceased to be the beneficial owner of more than five
percent of the class of securities, check the following [ ].

        Not applicable.

Item 6. Ownership of More than Five Percent on Behalf of Another Person.

        Not applicable.

Item 7. Identification and Classification of the Subsidiary Which Acquired the
        Security Being Reported on By the Parent Holding Company.

        Not applicable.

Item 8. Identification and Classification of Members of the Group

        Not applicable.

Item 9. Notice of Dissolution of Group

        Not applicable.

Item 10. Certification

(a)   Not applicable.

(b)   By signing  below I certify  that, to the best of my knowledge and belief,
      the  securities  referred to above were not  acquired and are not held for
      the purpose of or with the effect of changing or  influencing  the control
      of the issuer of the  securities and were not acquired and are not held in
      connection with or as a participant in any transaction having that purpose
      or effect.

                                Page 8 of 9 pages



                                    SIGNATURE

      After reasonable inquiry and to the best of my knowledge and belief, the
undersigned certify that the information set forth in this statement is true,
complete and correct.

Dated: February 13, 2008

/s/ John H. Lewis
--------------------------
    John H. Lewis

Osmium Partners, LLC

By: /s/ John H. Lewis
    --------------------------
John H. Lewis, Managing Member

Osmium Capital, LP

By: Osmium Partners, LLC,
    General Partner

By: /s/ John H. Lewis
    --------------------------
John H. Lewis, Managing Member

Osmium Capital II, LP

By: Osmium Partners, LLC,
    General Partner

By: /s/ John H. Lewis
    --------------------------
John H. Lewis, Managing Member

Osmium Spartan, LP

By: Osmium Partners, LLC,
    General Partner

By: /s/ John H. Lewis
    --------------------------
John H. Lewis, Managing Member

                                Page 9 of 9 pages