Attached Link: http://www.renderosity.com/mod/bcs/index.php?ViewProduct=41887

see att. link.  I tried to post this earlier but it didn't appear.  i would just use a free cloud image from the web (non-commercial images only).  maybe there's some technical reason why brushes are preferable to actual photos (tiff or jpeg images).  but it was weird - I've been here so long and I never saw any of those reviewers' names before, excepting ialora.