What's a good image randomizer?

[Bacon Boy]

A free one that's easy to use?

 

[SL92]

I use http://www.random-image.net, you can have 15 different randomizers, but there's almost no limit on the number of images in each one. You have to register, but that takes no time.

 

[Bacon Boy]

that one doesn't want to work for me