The artist is Hakuto. I have quite a bit of his stuff but as none of it is truely growth, I never felt the need to post it. However here's a collection of his stuff, as well as an image that at least sugests growth as a sample.
For some dumbass reason I cant upload the zip directly to the page, so here's a megaupload link
http://www.megaupload.com/?d=4N4CA8FL