I recently made a snowglobe generator where people can create there own.

http://www.snowglobecreator.com/

It's very basic though and also in Flash so it won't run on iphone etc. =/ Yet it was fun too watch what people did with it so far. Like my friend who did a series of videogame styled globes like this one. http://www.snowglobecreator.com/?uid=52#featured