Heres an updated vid showing some more weps and also illustrating various landmines... 8)
http://www.youtube.com/watch?v=uf9uRSBARVE&feature=c4-overview&list=UUTI_m7fi-n6g7uiFg5fEMZA
http://www.youtube.com/watch?v=uf9uRSBARVE&feature=c4-overview&list=UUTI_m7fi-n6g7uiFg5fEMZA