Never heard of xp perfomance edition with SP2 unless you mean limited 3rd party crap installed & running,anyway go to the screensaver tab & use drop down & select "MY PICTURES SLIDESHOW",or there's always webshots which can change wallpaper at sheduled times from 1minute to whatever or just use the screensaver function,there's also irfanview but i'm not sure if it's free or if it's what you're after,there's another called fastone that's free & quite good http://www.fastone.org/ .EDIT: If you're using tweakui then add this to it,it's called xdn tweaker it'll add a stack more funtions to tweakui tho it'll have it's own interface,it's safe & free http://xenomorph.net/?page_id=336,while i'm on the subject do you transfer heaps of files but use the windows transfer thingy,well try this out instead it's called teracopy,unlike the useless windows copy,this will produce a list of files transfered but unlike the windows one if it fails it will continue with the next file & so on,so at least it makes it easier to know where to restart the copying,it's safe & free http://www.codesector.com/teracopy.php,both the afore mentioned programs are lite