Didn't know the Eflite Blade mSR could fly inverted.
http://www.facebook.com/video/video.php?v=406534999869
Looks like he's just put the blades on backwards... I know how to do with a coax but not with FP...
Looks like its got a good CG over the main shaft and he has inverted the blades.
Most use suitable blades from other helis.
http://www.centuryuk.com/Products/Helicopters+Spares/Mosquito?pos=24
http://www.youtube.com/watch?v=klYSL5deZJY