If you would like to spend some extended time living abroad and need a source of income, then here are some resources you may wish to peruse.
Idealistcareers.org – Not an expat job resource site per se, but a job site for those looking to make a difference with their work. They have listings for jobs, internships and volunteer opportunities from many non-profits with ongoing projects all over the world.
Expatnetwork.com – This site features many jobs in the Middle East with a particular emphasis on engineering, mechanical and construction jobs.
Gooverseas.com – Featuring short term positions of several months duration, this site’s focus is primarily for those interested in teaching.