degenerate triangles

hi i amusing blender to build models for secondlife game, not sure if i can get help here, i cant find anything in SL forums, im getting a degenerate triangle error, small triangles when uploading my model to SL, is there a way of increasing the triangle size or removing these triangles completely?

You can try the 3D Print Toolbox.
Must be activated in the User Preferences->Add-ons