The ODIE webserver uses imagemagick or graphicsmagick to create thumbnail files for directory listings. I'm working on a pure-tcl in-house solution, but for know given the ubiquity of both packages, it's not great burden to require them. At least under Unix.
Bounty program
for improvements to Tcl and certain Tcl packages.
Tcl 2018 Conference,
Houston/TX, US, Oct 15-19Send your abstracts to tclconference@googlegroups.com or submit via the online form
by Aug 20.