Stumbleupon Review of : http://www.jimbojw.com/wiki/index.php?title=Using_Prototype_and_Scriptaculous_with_Greasemonkey
Adding Prototype and Scriptaculous to pages (without it already) using Greasemonkey.
Imagine it should be possible to create a bit of code to auto-load all the goodies, although unfortunately it probably would need to be done via the unsafeWindow.
And Blue Peter warned us about that.