Sources
Below is a list of repository(repo) sources that you will need to add Summerboard Themes featured on this website.
iSpazio - http://www.spaziocellulare.com/ispazio.xml
ModMyiFone - http://modmyifone.com/installer.xml
BigBoss - http://sleepers.net/iphonerepo
Apogee LTD - http://apogeeltd.com
Planet-iPhones - http://planet-iphones.com/repository/
MeachWare - http://www.meachware.com/list.xml
iPod Touch Fans - http://touchrepo.com/repo.xml