Google is now able to index Flash files.
For example, try a search on "firstpixel filetype:swf".

http://www.google.com/search?hl=en&l...filetype%3Aswf

Some files only get an URL without a description, but many do have a snippet clearly taken from the Flash itself.

http://www.google.com/search?hl=en&l...iletype%3Aswf+

Gilb
http://www.firstpixel.com