2bits/homebrew — comment on commit 9f3cc94de8cb7189025e8806795ef16f1ca4efd8
File:  line 0
By 2bits:

`movgrab -h` will give you an example on how to format a YouTube query.
Your video syntax would be like this: `movgrab http://www.youtube.com/watch?v=AuX7nPBqDts`
I'm not sure what the entire story is, but trying the most basic URL is apparently better :-)