I've been working on a template, but I have no place to host it except on google pages. [follow this link
, then, click on "beer label template - WIP.psd"]
It's a work in progress, but I've include different shield shapes, banner shapes, and simple background items. Each element can be turned off. You'd have to be somewhat familiar with photoshop tho. [I'll eventually add a tutorial]
it's a huge file [about 7MB total] but it's large enough to get a good quality print.
and here's a preview