Adding and removing crow form makes it allowable, and Animation - Change Flying Heigh to X at Rate changes the height, but I'm not sure if you can burrow using that function.
I want it so that they look like they are pulled into the ground but still alittle visible. Also how would you stun the whole group of them without dummys?
Ghan has said he has fixed this. Monovertex please confirm this fix. This was only a problem with people that had signatures in the upper levels like not the special members but the respected members.