Still, I encourage you to ask people how long it took them to make certain cookies. It is not an easy/cheap thing to add a prompt of the type you suggest to the photo upload area.
And first, before I could make an investment of this sort, I'd need to know how many other members would want this sort of prompt added. I typically don't invest in new features unless a majority feel that it's very important.
That said, I've added a poll to the top of this post to take the pulse of everyone on the site. Let's see what they say.