Czech.cz
Provides links to Czech embassies overseas.
http://www.czechembassy.org/wwwo/mzv/default.asp?id=11845&ido=6572&idj=2&amb=1

Go Prague.org
A list of embassies in Prague.
http://www.goprague.org/Embassies.htm

Prag-Pension
A-Z of foreign embassies in Prague.
http://www.prag-pension.cz/visas.html

Prague.tv
The contact details of foreign embassies in Prague.
http://prague.tv/embassies/