It up and running. now with three themes: Green (with wine casks), Blue (Space-Ship One) and Grey (Statue). You should get a random one each session. Let me know what you think.

Update (12/04/04)
Now there are 5 a sunrise theme, and an all new Christmas Theme. (Right now the christmas theme is weighted to occur about 10 times for every 1 time another theme comes up.)