You don't HAVE to use Photoshop... we were using it as a verb (I think.)
No size requirement
Yes, you have to upload it to the Flickr group with the tag "photoshopbol" and no, it isn't hard.
You can have as many entries as you want! More chances to win!
From what I've read from the show notes:
1. photochop in a new work setting
2. upload to flickr group (is this hard?). alternative?
3. no pr0n
4. what about image sizes (pixel x pixel?)
5. limit to number of entries?