Adi, thanks for your comment! It has some very useful ideas and we'll definitely take it into account when implementing this feature. BTW there already exists this suggestion, I guess you might want to vote for it: http://roadmap.cintanotes.com/topic/3131-picture-clipping/

Released with V2.7

Released with 2.7.1

Ok, thanks Thomas!

Well yes, but that one is >30h, and this one is ~3h ;)