UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13D

                    Under the Securities Exchange Act of 1934

                          Catalyst Lighting Group, Inc.
                         (formerly Wentworth III, Inc.)
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                                (Name of Issuer)

                     Common Stock, par value $0.01 per share
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                         (Title of Class of Securities)

                                   950704 10 6
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                                 (CUSIP Number)

                          Catalyst Lighting Group, Inc
                      6777 Camp Bowie Boulevard, Suite 233
                              Fort Worth, TX 76116
                                 (800) 433-7753
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                  (Name, Address and Telephone Number of Person
                Authorized to Receive Notices and Communications)

                                 August 27, 2003
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             (Date of Event which Requires Filing of this Statement)

If the filing person has previously  filed a statement on Schedule 13G to report
the  acquisition  that is the subject of this  Schedule  13D, and is filing this
schedule because of ss.ss.240.13d-1(e),  240.13d-1(f) or 240.13d-1(g), check the
following box. [ ]

The information required on 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).







CUSIP No.   950704 10 6
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1.   Names of Reporting  Persons.  I.R.S.  Identification  Nos. of above persons
     (entities only). The Larry D. Doskocil Living Trust Dated February 20, 1986
     as Amended 511-30-9437
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2.   Check the Appropriate Box if a Member of a Group (See Instructions)
     (a)  .....................................................................
     (b)  ..........X..........................................................
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3.   SEC Use Only .............................................................
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4.   Source of Funds (See Instructions) (See item 3).......PF..................
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5.   Check if Disclosure of Legal Proceedings Is Required Pursuant to
     Items 2(d) or 2(e) .......................................................
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6.   Citizenship or Place of Organization .....Kansas..........................
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Number of        7. Sole Voting Power ...........685,004.......................
Shares           --------------------------------------------------------------
Beneficially     8. Shared Voting Power .......................................
Owned by
Each             9. Sole Dispositive Power.......685,004.......................
Reporting        --------------------------------------------------------------
Person With
                10. Shared Dispositive Power ..................................
                 --------------------------------------------------------------

11. Aggregate Amount Beneficially Owned by Each Reporting Person ....685,004...
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12. Check if the Aggregate Amount in Row (11) Excludes Certain
     Shares (See Instructions) ................................................
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13. Percent of Class Represented by Amount in Row (11) ........20.2%...........

14. Type of Reporting Person (See Instructions)
........OO......................................................................
................................................................................
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ITEM 1.  SECURITY AND ISSUER.

       This Schedule 13D relates to the common stock,  par value $0.01 per share
(the "Common Stock") of Catalyst Lighting Group, Inc.  (formerly  Wentworth III,
Inc.),  whose  principal  executive  offices  are  located  at 6777  Camp  Bowie
Boulevard, Suite 233, Fort Worth, TX 76116 (the "Issuer").

ITEM 2. IDENTITY AND BACKGROUND.

     (a) The names of the  reporting  persons are The Larry D.  Doskocil  Living
     Trust Dated February 20, 1986 as Amended (the  "Trust"),  Larry D. Doskocil
     ("Mr. Doskocil") and Joan Doskocil ("Mrs. Doskocil").

     (b) The business address of each of the Trust and Mr. and Mrs.  Doskocil is
     c/o Paul Roederer, P.O. Box 705, Hutchinson, KS 67504.

     (c) The Trust was formed for estate planning purposes.

     (d) Neither Mr.  Doskocil  nor Mrs.  Doskocil  have been  convicted  in any
     criminal  proceedings  during the last five  years.  The Trust has not been
     convicted in any criminal proceedings during the last five years.

     (e) Neither Mr.  Doskocil nor Mrs.  Doskocil have been a party to any civil
     proceedings  during the last five years.  The Trust has not been a party to
     any civil proceedings during the last five years.

     (f) Both Mr. Doskocil and Mrs.  Doskocil are citizens of the United States.
     The Trust is organized under the laws of the State of Kansas.

ITEM 3.  SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION.




       The Trust acquired the  securities as a result of the  acquisition of all
of the  partnership  units of Whitco  Company,  LP  ("Whitco")  by the Issuer in
exchange  for  an   aggregate   of   2,991,368   shares  of  Common  Stock  (the
"Acquisition").  The Trust was a partner in Whitco prior to the  Acquisition and
its 204.45 partnership units were converted into 685,004 shares of Common Stock.

ITEM 4.  PURPOSE OF TRANSACTION.

       The Trust  acquired the  securities as a result of the  Acquisition.  The
Trust was a partner in Whitco prior to the Acquisition. The securities issued by
the Issuer were acquired by the Trust as a result of the  Acquisition and for no
other reason.

ITEM 5.  INTEREST IN SECURITIES OF THE ISSUER.

       (a) Based on their status as  co-trustees  of the Trust,  each of Mr. and
Mrs.  Doskocil are deemed to beneficially owns an aggregate of 685,004 shares of
Common  Stock,  representing  20.2% of the  outstanding  shares of Common  Stock
(based,  as to the number of  outstanding  shares,  upon the Issuer's  Form SB-2
filed August 12, 2003, with respect to the  Acquisition).The  Trust beneficially
owns an aggregate of 685,004 shares of Common Stock,  representing  20.2% of the
outstanding  shares of Common  Stock  (based,  as to the  number of  outstanding
shares,  upon the Issuer's Form SB-2 filed August 12, 2003,  in connection  with
the Acquisition).

       (b) Mr. Doskocil has the shared power with Mrs. Doskocil,  the only other
trustee of the Trust,  to vote and dispose,  or direct the  disposition,  of the
685,004 shares of Common Stock owned by the Trust.

       (c) The 685,004 shares of Common Stock  reported  herein were acquired by
the Trust from the Issuer effective August 27, 2003.

       (d) Other than Mr. and Mrs. Doskocil, who have the shared right, no other
person is known to have the right to receive or the power to direct the  receipt
of  dividends  from,  or the  proceeds  from the sale of, the 685,004  shares of
Common Stock owned by the Trust.

       (e) Not applicable.

ITEM 6.  CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS WITH RESPECT
TO SECURITIES OF THE ISSUER.

       The securities discussed herein are the result of the Securities Exchange
Agreement  executed  by  and  between  Whitco  and  the  Issuer  (the  "Exchange
Agreement").

ITEM 7.  MATERIAL TO BE FILED AS EXHIBITS.

   Exchange Agreement.




                                   SIGNATURE.

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


                                             September 3, 2003



                                             /s/ Larry D. Doskocil
                                             ---------------------
                                             Larry D. Doskocil, Co-Trustee of
                                             the Larry D. Doskocil Living Trust
                                             Dated February 20, 1986, as Amended


                                             /s/ Joan Doskocil
                                             -----------------
                                             Joan Doskocil, Co-Trustee of the
                                             Larry D. Doskocil Living Trust
                                             Dated February 20, 1986, as Amended