The following link has also been posted in Wicca section, The Celtic Connection contains information that is relevant for both Pagans and Wiccans.
http://www.wicca.com/celtic/cc002.htm
This second link takes you to The Pagan & Wiccan Information Centre. Although this is an American site, it does have free clipart and other information you might like. (PLEASE NOTE: Some drop-downs shown on this link haven't got info added to them yet, but many have info or clipart.)
http://www.sanfords.net/Spots_free_graphics/Welcome_to_the_Free_Pagan_and_Wiccan_Graphics_Area.htm
(If members like these sites, I will leave them in place. If you feel they do not reflect Paganism or Wicca correctly, or if you find them offensive, please let me know and I will remove them.)