Derivative work and Copyright

[JokeArtist]

If you're still in Germany, then there is the rule, that your artwork has to differ in some significant parts from the original artwork. Otherwise it's called a "Plagiarism" and you need a agreement with the Copyright holder.

In the case of art though the 'differ in some significant part' could just simply mean the context of the image. As in the case with Andy Warhol ... surely?

I think plagorism is something completely different - that's like if an artist created an image and say you as an artist redrew a Picasso picture then t