These rules were unanimous among Gurus, Admins, and Snowcone (though not all responded, of course). Since it is Snowcone's site, I'm glad we have his approval.
1. Covers for devices with a main function of illegal downloading of games are not allowed on the site.
3. Discussion of homebrew games and applications is allowed on the site.
4. Discussion of how to run homebrew games and applications is not allowed on the site.
Number two is still being discussed among the Gurus.
2. Covers for unlicensed console games that were released in any way are allowed on the site. This means Half-Life for Dreamcast covers aren't allowed on The Cover Project (was never released), but Tengen Tetris is allowed (was sold in stores).
This is my version, but I seem to be in the minority. Possible outcomes include
2. Covers for unlicensed console games are allowed on the site. This means both Half-Life for Dreamcast and Tengen Tetris covers are allowed.