Depending on the size and complexity of the picture, and the size that you are re-creating it, this type of project can be considerably faster than the old-fashioned oil painting or watercolor, and may be more impressive to certain groups of people. Digital art buffs are become more and more the norm in the art world, and this genre is helping to get people into something they may have otherwise ignored, all because of how it was created.
This will help you in several ways. First, it is easy to look down the list of affiliates and think of new ways of working on marketing them. Maybe you will want to put two or three of them together and market them all on one page. Then tell your customers that if they join all three you will throw in a fourth package that you have resell rights for. Second, you can easily either click on a link or cut and paste an address into your web browser to see how you are doing. And you have your username and password right there to cut and paste as well. Percentages in personal training can be absolutely invaluable. However, they need to be incorporated correctly in order to get the benefit out of them. One thing to think about, are percentages necessary for your clients?