I taught abroad through a program called WorldTeach. One of my fellow former volunteers started a program called OneWorld Classroom. It may be a great source of collaboration and inspiration for your project: http://www.ccproject.org/
I've just visited your links and found them very attracting and involving for the students!
I'm Maliha; tutor in e-learning laboratory in tlemcen university of Algeria.I'm looking to have global virtual classes as well in any subject area.My students are aged 17 to 24, they can handle classes in Arabic,French or English.
I previously made links with us universities about cultural exchanges, and would like to have similar experiences with other universities.
If you're interested (or know any person who is), please drop me a mail at: mimitlemcen[at]gmail[dot]com
I share your interest in global learning. I have taught in China and Belize and I know how valuable different perspectives can be.
A great way to connect with educators and students around the world is ePals (www.epals.com). It is a free, teacher-monitored email program for students, but even if you don't use it for emailing, the teacher forums are excellent for sharing ideas and projects.