Are you guys using SGDK2?
dtewi it's free.
Direct download link to Scrolling Game Development Kit Version 2.00
http://sourceforge.net/project/platformdownload.php?group_id=152001&sel_platform=4313
You might have to scroll down a bit, it's the green button.
Playing : PC AOE, DiRT 2, Runes of Magic, Wings of Prey & Planetside 2
Wii U : Nintendoland, Super Mario U & Fifa 2013 demo
DS : Guitar Hero : On Tour
Formerly unknown as Vengi