I see you stated up above that people complain about it interfering with your gallery, and while I can see their point, that's what folders are for. Plus you can change what is viewed with the "featured" part of your gallery that people are usually automatically sent to to begin with. As much as I'm sure you don't want to inconvenience people, it's still part of your larger body of work. It's ultimately up to you, but I wouldn't make a separate account.