We make our own as it's easier for us and saves spending a lot of time trawling through looking for a nice one, ours is nice and simple
^ As Alex said, they're easy to make. They're not very easy to find on the Internet, and I really don't suggest paying someone to make something so simple and end up being charged a boat-load for it. There should be tutorials on the net on how to create these in whichever size you wish them to be.
If you want simple 2 color variations, then please go ahead and send me a pm. I can make you a few in any size you desire. Like the "resident silly man" said, no point in being charged a boat-load for em'.
You could always google 'advertising banner' and a few online programs show up. I've done that a few times but have forgotten the urls.
