Dude just look few posts down

I would try to define some more stuff
//
action sphere
{

my.shadow=on;

phent_settype(my, PH_RIGID, PH_SPHERE);
phent_setmass(my, 7, PH_SPHERE);
phent_setfriction(my, 70);
phent_setelasticity(my, 50, 5);
phent_setdamping(my, 20, 20 );
}