uk proxies with ports:
http://www.samair.ru/proxy/type-11.htm
normally too slow to watch iplayer and they don't last long ..check this link:
http://www.anonymous-proxies.org/2009/02/using-iplayer-abroad-viewing-bbc-via.html
a software called cloaker(shareware) auto updates with fast proxies.. supposedly there's also a python script that overrides bbc iplayer ip checker and allows international viewing but i couldn't find it..if you know where to get it maybe we can work with it