Not sure if anyone on her does them but plenty of people recommend image works though I have never used them myself.
I have used a company called tape works about 10 years back nad their product was excellent.
Image works are a very popular choice and get good feedback from lots of Aprilia owners. If you get stuck for something in particular, do a search on eBay for a seller called rsvrrider
That's Chris Cruzels eBay ID, he is a member over on the AF1 forums and does lots of Aprilia graphics, I've had stuff from him myself and the quality is outstanding.
Hi, I had a set from Dointhemonkey, took a long time to arrive and they were really bad, wrong colour and wrong shape, I complained and they sent another set which were just as bad, do not use. I then had a set from Image works which were right, bit more money but well worth it. So I do not think they are the same people.