Promotional work makes for excellent Random Day Jobs and I came across a website that's new to me - Marketing Rock Star. The site lists promotional jobs by state, so it's a great way to know what's going on in your area.
Also, it's a great place to find new promotional companies and become part of their internal database (which means you are usually the first to know about jobs in your area). Here are three goods promo companies I stumbled upon....
Two Dots Productions
I've added them to my master list of promotional companies here :)