These sites helped me when I started out with convict cichlids about several years ago:

http://cichlidresearch.com/simpleaquarium.html

http://www.aquariumfish.net/information/raising_baby_fish_2.htm#top2

Here’s a Petfishtalk podcast dedicated to breeding convicts:

http://www.petfishtalk.com/interviews/breeding_convicts/breeding_convicts.htm