He does have this book which is out of print (read This substantial collection provides shapely forms and earthly delights throughout its pages. Searching for bruce timm on comicartfans will bring up a ton of his commissioned art (including nsfw stuff)
Diggy's Daily | Bruce timm, Graphic novel art, Comic books art
That's where i found most of this.
The most popular bruce timm comic art at comicartfans.com.
