Add background image to node

Client brief:

Show the different styles of illustration INCLUDING within the welcome article.

Method:

Using Firefox's Firebug I identified the div controlling this articles elements as:

Firstly I tried adding properties to:
.sticky but that would limit the use of this feature - so instead

In [theme]/style.css i added the following

The image was created to work well in a 1024x768 resolution but to tivertically if the users screen is larger. The margin/padding-bottom value ensures that if the article is longer then it never crashes into the bottom image.

Result:

www.leetoons.com