Joyce Lain Kennedy, nationally syndicated career expert, suggests that people wanting a job overseas check out Information on Scams on the Better Business Bureau Overseas Digest website for a reality check as part of their search.

Comprehensive Sites:

CIA: The World Fact Book: Collection of information about various countries around the world.  
Eurolingua: includes numerous countries in Europe. Internships and Hotel Training programs in UK.  Opportunity to practice language skills in various countries.  Fee for service site.
Eurojobs: Contains European job listings by country.
GoingGlobal
International Job Search Resources: Over 700 unique links to employment resources in over 40 countries and regions.
Japanese positions available.  
JobStreet: the prime internet online services in Malaysia.
NISS Noticeboard- UK and Association of Commonwealth Universities: hundreds of job announcements in the UK, and other information.
Overseas Job web: comprehensive site with many listings.  Allows search by country.
Peace Corps: information about the Peace Corps organization.
Project Aspire: Asian job opportunities.
Resources for International Job Opportunities: sites or resources which list job announcements for countries other than the U.S. From the nationally recognized "Riley Guide."
Transitions Abroad: information on work, study, and travel; includes short-term and internship programs, plus more. Does not contain listings of careers.

Education:

English International: information on training, the current market, effective job searches, and evaluation strategies for teaching English overseas.
Footprints Recruiting Incorporated: successful corporation from Vancouver with positions in Asia and South America; posts from March to September.  
International Schools Services: address and personnel contact information. (Fee for services.)
Study Abroad Internships
Teaching English in Japan
WorldTeach: site developed by Harvard University to place people overseas in developing countries to assist with education. Fee-based.