I just found this post for Celebrity Weighing Scales over at CoolHunting.com. It's a bathroom scale with a funny twist. Instead of numbers, the people at Angry have cleverly printed names of celebrities like King Kong, Chuck Norris and Goldie Hawn, to name a few.
Simple, silly & brilliant.
If you are a CafePress shopkeeper thinking, "CafePress doesn't have that many unique products" think again! Sure, CafePress offers plain white T-shirts, mugs, clocks, etc. But look at what is actually the selling point of the above scale. What is it that makes that scale any different from the 100 different bathroom scales I can buy at Target? It's the simple black and white printing of words instead of numbers. Now that's creative gumption!
So consider this: Try using the simple product itself as inspiration for your design. Think a clock needs numbers or hour marks? Why not funny words instead? Use your creativity to make a common product not-so-common...the possibilities are endless!