Hello! My jailbroken iphone 3g w/5.11.07 seems to be crashing alot!!!!!!!!

[cmv583]

Hi. I recently jailbroke my iphone and it seems to kinda crash, well i have to restart springboard alot. I get a message on how mobile substrate / did not/ cause this but i don't know why its happening so i don't know how to remedy it. Any help? Im not stupid but i don't know terminal commands either, and, i cannot seem to figure this out.