videos:
[youtube]http://www.youtube.com/embed/KNWPYQjXSYA&index=1&list=PL-edc4nsbneXvnDvTsnDYlF7hip2OVdPU[/youtube]
[youtube]http://www.youtube.com/embed/hgf1B_2MgNg&list=PL-edc4nsbneXvnDvTsnDYlF7hip2OVdPU&index=2[/youtube]
[youtube]http://www.youtube.com/embed/iSKIM75UXaI&list=PL-edc4nsbneXvnDvTsnDYlF7hip2OVdPU&index=3[/youtube]
[youtube]http://www.youtube.com/embed/uMziuacKd9I&list=PL-edc4nsbneXvnDvTsnDYlF7hip2OVdPU&index=4[/youtube]