Since Lucas has published his list of search engine shortcuts, I'll do that too. Maybe someone finds a useful addition for himself. I'm leaving out those that are predefined by Galeon and not used by me.
- Haskell API
http://haskell.org/hoogle/?q=%s
- German-English dictionary: http://dict.leo.org/?lp=ende&lang=de&searchLoc=0&cmpType=relaxed&relink=on§Hdr=on&spellToler=std&search=%s
- search on eBay
http://search.ebay.de/%s
- search on CPAN
http://search.cpan.org/search?mode=module&query=%s
- look up Debian Bug by package or number)
http://bugs.debian.org/%s
- look up Debian packages
http://packages.debian.org/%s
- look up Ubuntu packages
http://packages.ubuntu.com/%s
- search Google...
http://www.google.de/search?q=%s
- go to Google's first hit
http://www.google.de/search?q=%s&hl=de&btnI=Auf+gut+Gl%FCck%21
- search Google News
http://news.google.de/news?q=%s
- search Google Groups
http://groups.google.com/groups?q=%s&meta=site%3Dgroups
- search Google Images
http://images.google.com/images?q=%s&hl=de
- lookup Movie information
http://www.imdb.com/find?q=%s
- get RFC by number
http://ietf.org/rfc/rfc%s.txt
- go to Sourceforge project
http://sourceforge.net/projects/%s
- search with visimodo
http://vivisimo.com/search?query=%s
- English Wikipedia
http://en.wikipedia.org/wiki/%s
- German Wikipedia
http://de.wikipedia.org/wiki/%s
I think you might mean vivisimo instead of visimodo :)
Greetings,
Lucas