Now that Firefox has flattened its pedal to the metal in version 4, there are a few addons that aren't compatible and are noteworthy by their absence.
Apart from SiteLauncher is available, if you get it direct from their website. Which leads me nicely on to my love of keystroke launchers. Stroke a key, launch an app. Simple as that. I used to think they were terribly geeky but now I use them all the time: GNOME Do on Ubuntu, Launchy on Windows and on a mac QuickSilver. Or maybe now I have become a terrible geek?
Go on, give 'em a go and get rid of your desktop icon fluff.