If you have some less quality graphics which cannot be used for printing purposes or some stock images having a watermark, then only solution is to get a quality vector file without the watermark. I'm an expert Logo Designer and can draw you Clean, Beautiful and Eye Catching Logos for your Business I'll redraw/ trace/ vectorize your any less quality graphic using Adobe illustrator. I will do: Vectorize your logo Vectorize your picture Vectorize your sketch Vectorize anything