To make an unclear picture a bit clearer, besides using AI based software to do this, the most common way is to convert it into a vector graphic. And to convert regular pictures to vector graphics, besides the classic Vector Magic Desktop Edition, you can also ask Graphic Tracer for help.

After PhotoBucket disabled all free external/hot links of our image files stored on it (you have to pay to restore the service), AppNee reuploaded most of these images to ImgBB, using its free photo external links service. But happy days did not last long, ImgBB took exactly the same dirty trick as PhotoBucket did. It is still understandable to start charging for a company, but do not inform in advance and cancel a service forcibly is really to entrap countless small webmasters.