Need a quick tutorial on inserting reference images, modifing, transparency

Happened to make something along those lines yesterday
http://www.youtube.com/watch?v=ZyvLYO4DfIw&feature=player_embedded

-Rohit<a href="http://solidwize.com" onclick="window.open(this.href); return false;">
100's of SolidWorks Tutorials >>>>> Solidwize</a>
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open a new sketch where u need, go to tools ----- sketch image. I've got Italian language solidworks so I don't know if I wrote the right words.

I managed to figure it out thanx mate