a sample,

adblock
bbcodextra //bb code context menu for quick tagging
colorful tabs
download helper //for saving clips on youtube et al to hard drive
firebug
gmail space //pseudo ftp client for using gmail as a remote hard drive
jsview
stumbleupon
tab mix plus // should be standard equipment
tag sifter // for tagging bookmarks
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"All my years in p*rn didn't quite prepare me for childbirth. I mistakenly thought all the stretching I did would make this easier."