Gymnastics Results - http://www.gymnasticsresults.com/
Complete results from many different gymnastic competitions and disciplines including the Olympic Games, World Championships and the European Championships.
Legend Gymnasium - http://lgdgym.50megs.com/lg_front.htm
Artistic gymnastics with videos and images and also provides links to other related gymnastic resources.
The Gymnastics Resource Center - http://www.usgyms.net/
Provides a wealth of information for gymnastic statistic for the USA.