True retro: Atari 2600, NES, Sega Genesis, Super NES, Nintendo 64, and Game Boy Colour
Modern retro: Game Boy Advance SP, Nintendo Gamecube, Nintendo DS Lite, Wii
the best way to have this work is when you first visit the site . go direct to the edit settings page
then select your image
then edit image and it should paste.. there is an issue with the way i inject the paste button into that modal.. that i need to look at more.