The Art List 
Monthly e-newsletter and opportunities database for artists and photographers listing contests and competitions.
http://www.theartlist.com/Kara Art: Art contests and Calls for Entries
Offers a listing of art contests, competitions, juried exhibition announcements, calls for public art, workshops, film festivals, salons, and residency programs.
http://karaart.com/contests.1.html
Calls For Art
Provides listing of juried art competitions with deadlines and show detail.
http://www.callsforart.com
