[youtube:2wh712jl]http://www.youtube.com/watch?v=s4QtIVBvnYE[/youtube:2wh712jl]
[youtube:2wh712jl]http://www.youtube.com/watch?v=kYsp3apqv9M[/youtube:2wh712jl]
[youtube:2wh712jl]http://www.youtube.com/watch?v=ZL3B14kHwGA[/youtube:2wh712jl]
[youtube:2wh712jl]http://www.youtube.com/watch?v=IRMQnSBTpzI[/youtube:2wh712jl]
[youtube:2wh712jl]http://www.youtube.com/watch?v=e0pXmqkY-9U[/youtube:2wh712jl]
[attachment=0:2wh712jl]licao2.zip[/attachment:2wh712jl]