cedbv

Don’t Work in WordPress MU. WordPress 3 only. 
Usefull only if you have a multisite install and if some users manages more than one blog.
This plugin adds a simple dropdown menu in administration header that allows you (and every site users) to switch 
between administration of every site they are member of (and so work for super-admin, admin, contributors,…).
Work best if the plugin is Network Activate.

Multisite Switcher

In a multisite configuration, add a dropdown menu in administration to let you switch between sites admin.

Vasilis Triantafyllou

This plugin helps you to add the flag icons with the targeted links on your site by choosing desired position or using a shortcode.
Version 2 supports Google Translate ICON !
You just have to select position,flag and add the link!
Flags Icons: English, Bosnia, Nepal, Klingon, Iceland, Switzerland, Mongolia, Moldova, Greece, Belgium, EU, UAE, Indonesia, Hong Kong, Brazil, Estonia, Lithuania, Latvia, Argentina, Finland, Norway, Germany, Spain, Wales, Ireland, Romania, India, Hungary, Portugal, Usa, Turkey, Japan, Israel, Saudi Arabia, Sweden, France, Italy, Netherlands, s. Korea, China, Czech , Cyprus, Russia, Malaysia, Singapore, Thailand, Denmark, Bulgaria , Canada, Dominician Republic, Croatia, Egypt, New Zealand, Myanmar, Algeria, Australia, Esperado, Iran, Iraq, Catalan, Taiwav, Albania, Morocco, Palestine, Luxembourg, Mexico, Vietnam, Azerbaijan,Belarus,Cambodia,Libya,Ethiopia, Luxembourg, Afghanistan, Aruba, Georgia, Haiti, Kuwait, Malta, paraguay, Peru, South-Africa, Uzbekistan, Ukraine, Pakistan, Australia, Austria, Tunisia and Poland.
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Thanks for using! Its my first plugin i hope it will help!

Multisite Switcher vs Flag Icons