Josh-A-Tron
Super Freak
I think the ultimate display would be the batman, supes, WW, green lantern, and flash... With all their main baddies behind them when done. (Might have to fill in space though on some)
Batman, with joker peeking over the shoulder. Supes with lex or doomsday. I have no clue about WW, ares maybe? Flash and reverse flash. GL and sinestro.
This was my original plan, but the price hike has kinda killed that.