What is the ruling on a married Muslim, who works as a graphic designer, continuing in his job which involves the use of images (including images of animate beings and exposure to nude images), imitating pre-made designs, which is "stealing ideas", and using pirated computer programs "broken protection"? And to what extent is it permissible to use the proposed solutions to avoid the forbidden in this work?

A Muslim must ensure that their earnings comply with Islamic regulations. If you can avoid impermissible aspects in your work, then it is permissible to continue; otherwise, seek another job. Your solutions for avoiding impermissible elements in the graphic design profession are good. Copying software without the owner's permission is, according to the preponderant opinion, prohibited both commercially and personally, although some have permitted private copying. There is no harm in emulating existing designs. If you avert your gaze from forbidden images in your work, there is no blame upon you, but seeking them out is dangerous.