This site talks you through fixing the problem
http://www.thepope.org/index.pl?node_id=140It also suggests that its more than just Jpegs that get hit ...
"10. This is the most painful part. This virus replaces every file with the following file extensions: vbs, vbe, js, jse, css, wsh, sct, hta, jpg, jpeg, mp3, mp2. You can't get the files back, but you can at least delete them pretty easily. Do a search for all files with the .vbs extension (Start->Find and enter '*.vbs' in the Named field, then click Find Now). Select all of the results, and hit delete."
Mike
"I can live with doubt and uncertainty and not knowing. I think it is much more interesting to live not knowing than to have answers that might be wrong." - Richard Feynman