Here is the status of the used images.

archang.jpg and archeye.jpg are (c) Pascal Lagarie. Pascal kindly gave
a permission to use these two images in the GPL'd project. His web site is:
http://lagarie.free.fr/index_en.html
http://lagarie.free.fr/htmldir/lag97_redenf_en.html
http://renderosity.com/viewed.ez?galleryid=626954&Artist=plagarie&ByArtist=1

archway.jpg is (c) Hilton Imaging, http://www.hilton-imaging.co.uk/
There is a stated permission on the site to use this image freely.

archelf.jpg is a reconstruction of:
http://img-fan.theonering.net/rolozo/images/nasmith/tree.jpg
tree.jpg is of unknown author, the statement about this image is here:
http://fan.theonering.net/rolozo/about/faq

archmag.gif is taken from:
http://www.angelfire.com/games4/wbcii/Heroes/archmage.gif

archrog.jpg is taken from:
http://www.home.aone.net.au/irc_rpg/images/lief.jpg
http://www.home.aone.net.au/irc_rpg/pc-bios.htm

archero.jpg is (c) LaMaProd, it is taken from:
http://lineage2.free.fr/v2_divers/invoc_panther.jpg
http://lineage2.free.fr/v2_invocation.php

archgen.jpg is (c) Dale Dodson. His web site is:
http://www.mindspring.com/~sheba/
http://www.mindspring.com/~sheba/genie.html

archaos.jpg is (c) Gerlinda.com and it is free. Taken from:
http://gerlinda.com/Freebies/Wallpaper/W800/Chaos.jpg

The intension is of course to only use free images in the free software
project like archway. The images in question may be replaced in the future.
