Renegrader, you don't put the whole link in the tags, just a specific part, i.e.
The part I'd put in the tag is the one marked in bold.
http://www.youtube.com/watch?v=5-C0GHBp4_c
So it would be like this...
Hlmaster: I didn't really like it :/ 4/10.
Just rate the song I used in the example..