[electricbill]

Here are a few suggestions you if this competition is still going.
Monster, good vs evil, sci-fi vehicle, facial expression, city street, nightmare, flowers, book cover, war, future weapon, your own money, insect, countryside, jewellery, tomb or chamber, cathedral or church, character design(good guy/girl or bad guy/girl), end of level baddie.

EDIT: A few more ideas - car design, weapon design, bodybuilder, imaginary animal, nature, sci-fi hero, sci-fi monster, game level idea (realistic or stylised), hero's sword, dwarf king's axe, fantasy creature (dragon, phoenix, griffin), a flag for an orc clan, castle, another world/planet, children's book cover, phaser or laser gun design, perfect home, something from a future office, future mobile phone design, t-shirt design, steampunk item (any household item), robot, warrior king or queen, in a million years what might mankind have evolved into.