Exhibit 99.7

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of Baytex Energy Trust (the “Company”) on Form 40-F for the fiscal year ended December 31, 2008, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, W. Derek Aylesworth, certify, pursuant to 18 U.S.C. section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

1. The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated:           July 16, 2009

(signed) "W. Derek Aylesworth"

Name:           W. Derek Aylesworth, CA

Title:             Chief Financial Officer, Baytex Energy Ltd.