This is small,compact...Great for USB drives. Download it,run "PhotoshopPortable" and follow what it says,etc. Doesn't launch an installer. All it does is places some manifests on your computer...Dont worry though,its clean.
Download : http://www.mediafire.com/download.php?rhyzezmyn3e
Download : http://www.mediafire.com/download.php?rhyzezmyn3e