aqui les dejo esta videooguia.
la calidad en un poco mala, pero aún asi se alcanza a ver bien.
kansashttp://www.youtube.com/watch?v=1mah327wbh8
http://www.youtube.com/watch?v=fspkt3j3i1y
http://www.youtube.com/watch?v=ra37j04z8de
http://www.youtube.com/watch?v=zalsk7fvfhy
http://www.youtube.com/watch?v=c4w8daj3j3y
http://www.youtube.com/watch?v=pzp4wgmgvbe
http://www.youtube.com/watch?v=oasz5rxnidg
http://www.youtube.com/watch?v=h5hx_ckuiow
idahohttp://www.youtube.com/watch?v=57sbppgtygu
http://www.youtube.com/watch?v=0ywhfk5keos
http://www.youtube.com/watch?v=3ibioudzcz8
http://www.youtube.com/watch?v=zrdhdehxdsw
http://www.youtube.com/watch?v=pffaa7ujktg
http://www.youtube.com/watch?v=rtv_v1xtnkg
http://www.youtube.com/watch?v=wgczrqzvkii
http://www.youtube.com/watch?v=qcqf9bdafym
british columbiahttp://www.youtube.com/watch?v=ypgcq7itmi8
http://www.youtube.com/watch?v=lws1t0mz6so
http://www.youtube.com/watch?v=oaaxz7d6m-s
http://www.youtube.com/watch?v=n7tyfl9j5lo
http://www.youtube.com/watch?v=r69fqskp9tm
http://www.youtube.com/watch?v=98mm7pkll30
http://www.youtube.com/watch?v=hxyzuhtv-wu
http://www.youtube.com/watch?v=hknitvojtmg
alaskahttp://www.youtube.com/watch?v=qmeuc795btm
http://www.youtube.com/watch?v=jqc1_bk5nau
http://www.youtube.com/watch?v=0pybvuehxhs
http://www.youtube.com/watch?v=yz7j4rrfoai
http://www.youtube.com/watch?v=nyffh1rpvc4
http://www.youtube.com/watch?v=jfhvangegpu
http://www.youtube.com/watch?v=ltpn790ecby
http://www.youtube.com/watch?v=qr2fibr5kqy
saludos.