DjZen, those pictures are hilarious!

My contributions:

Midgar Slum Lord: build up your own sector of slums while rooting out terroist organizations, exorcising ghosts from the train graveyard, keeping the 'competition' at bay and preventing Shinra thugs from detonating support pillars

Square vs Namco vs Techmo: Find the answer to the eternal questions of who'd win; Cid or Kilik, Yuffie or Xiouyu, Kasumi or Tifa? Well, now you can find out XD.

Materia Cave Raider: Join Yuffie as she wields her giant shuriken in pursuit of ancient and powerful materai accross the world.

Skies of Midgar (FFVII/Skies of Arcadia crossover)

Sid Meier's Final Fantasy Civilization III: Take command of one of the major factions from all the Final Fantasy games and rise from the ashes of Chaos to build a civilization that can stand the test of time...... Ooops! I forgot, I'm already working on this one