Robert Sanzalone

that's way cool. On my to-do list. - Rick Martin

Worked up mine a week ago. These ones are nice. A smart use of Twitter backgrounds. - phil baumann

Thanks. Feel free to submit your own files for everyone else to use, or upload your Twitter background image to Flickr and tag it "twitterbacks" so it will show up on the list. - Jim Kukral

I take it these are not meant to tile? - Phil Wolff

Any way to manipulate these *without* photoshop? - Richard Smith