The product picture should be 80-85% of the entire final picture. In addition to our product there is a ebook with receipts. On this front picture we would appreciate if you add a kind of icon which shows that this ebook is inclusive. The text required for this should be in german language. Maybe something like: "+ Rezept E-Book". The icon could be a circle or maybe something in the right upper corner. All in all, the picture should be looking plain but, nevertheless, professional and impressive. Be creative!