Mine

default
{
    state_entry()
    {
        llSetTextureAnim(FALSE, 
                    ALL_SIDES, 
                    0, 
                    0, 
                    0.0, 
                    TWO_PI, 
                    (1 * DEG_TO_RAD));
        llSetTextureAnim(ANIM_ON | 
                        SMOOTH | 
                        ROTATE | 
                        LOOP, 
                    ALL_SIDES, 
                    0, 
                    0, 
                    0.0, 
                    TWO_PI, 
                    (-0.5 * DEG_TO_RAD));
    }

}