Advanced Excerpt and Viper plugins

hi there

im using latest versions of advanced excerpt and viper. Using WP 2.7.1

im getting a preview pic when i insert a Youtube video in a post, plus it display this code:

swfobject.embedSWF(”https://www.youtube.com/v/NIIcZVLXNwc&rel=0&fs=1&showsearch=0&showinfo=0″, “vvq-979-youtube-1″, “400″, “280″, “9″, vvqexpressinstall, vvqflashvars, vvqparams, vvqattributes);

can some1 pls help me