Hey jt5566
No need to purchase expensive boxed software, unless that's what you want of course.
DPaint IV (and V for that matter) are available on the EAB fileserver.
Also, .pdf versions of the the DPaint IV and DPaint IV AGA manual are available here:
http://amiga-manuals.xiik.net/applications/index.php on Josh's excellent Amiga manuals site.