All of these (Tell me if some are already there.)
===============================
*.tmp
*.temp
*.nch
*.---
*.~*
~*.*
*.??$
*.___
*.~mp
*.$db
*.?$?
*.??~
*.?~?
*.db$
*.^
*._dd
*._detmp
*.$$$
0*.nch
*.sik
*.old
*.bak
*.chk
*.gid
mscreate.dir
*.wbk
*.fts
*.ftg
*log.txt
*.err
*.dmp
*.prv
*.ilk
*.aps
*.ncb
*.pch
chklist.*
But exclude these folders (never should be considered as junk.)
?:\program files\common files
?:\program files\uninstall information
?:\win*\security
*\sendto
*\i386
*\resources\themes
*\microsoft\office\data
*\microsoft\money\*\webcache
*\chaos32
*\paprport\data
*\symantec shared\virusdefs
?:\system volume information
?:\_restore
?:\recycle?
*\temp\incredimail
*\norton antivirus\quarantine
*\system32\usmt
*\system32\catroot
*\application data\microsoft
*\application data\aim
==================
Thankyou.