POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS, that the undersigned constitutes and
appoints Andrew J. Donohue or Robert G. Zack, and each of them, his true and
lawful attorneys-in-fact and agents, with full power of substitution and
resubstitution, for him and in his capacity as Trustee or Director of
Oppenheimer Main Street Small Cap Fund (the "Fund"), to sign on his behalf any
and all Registration Statements (including any post-effective amendments to
Registration Statements) under the Securities Act of 1933, the Investment
Company Act of 1940 and any amendments and supplements thereto, and other
documents in connection thereunder, and to file the same, with all exhibits
thereto, and other documents in connection therewith, with the Securities and
Exchange Commission, granting unto said attorneys-in-fact and agents, and each
of them, full power and authority to do and perform each and every act and thing
requisite and necessary to be done in and about the premises, as fully as to all
intents and purposes as he might or could do in person, hereby ratifying and
confirming all that said attorneys-in-fact and agents, and each of them, may
lawfully do or cause to be done by virtue hereof.
Dated this 7th day of November, 2000.
/s/ William L. Armstrong
William L. Armstrong