I recently came across a really interesting series of posts at RedsZone. They're written by a guy who worked as a ground crew person for the past three seasons, and there are some really great pictures with his posts. Here's one of my favorites:
And here are the links to the posts, make sure to check out the rest of the pictures:
Post 1
Post 2
Post 3
Post 4
And a link to the entire thread.