Hey, could you upload a few pictures of colored materials? I think it may be more obvious that your material looks like watercolor, because in your two screenshot it’s not very noticable; the first one doesn’t look like watercolor at all (because of the noise), and the second one is hard to notice.
On your blog entry it’s more obvious. But granted, watercolor is extremely difficult, because of the fading and the different colors flowing into each other.
I think if you remove the noise completely, it will look a lot more like watercolor. Anyway, thanks for sharing. I am looking forward to see more of your work in future; gonna follow you on Twitter. 