I tried to post some videos hosted on other sites, and they ended up being a different size and covering up the right sidebar. how can I fix this? here's the blog: http://vgrock.blogspot.com
Very simple, in the actual embed code from youtube, you will see numbers usually like "400" and "350". Change those numbers so that they fit your site. I do the exact same thing on my blog. I resize every video I post, here's an example................http://streetworkout.com/blog/