Celtic Clip Art

Here are some example gif images of celtic knotwork. If you are interested in making your own figues, you may be interested in Drew Ivan's online guide to creating celtic knotwork. His celtic bibliography also has a good listing of books on this subject.
If you have a Windows PC, you might also like to try Steven Abott's free programs to draw knotwork.
Another knotworkers:

Marc Wallace - knotwork and construction information.
Joscelin Cockburn
Rowan Fairgrove - brightly coloured artwork and several bars for Web pages.
Some pages from the epitomy of celtic art, the Book of Kells.
Some celtic art from Alastair Luke.
Tutorial on making celtic knotwork (in French) by Christian Mercat.
Celtic Art Links from Pat Fish's Celtic Art Tatoo site.

Courtesy of Josh Mittleman: celtic knot

celtic knot

knotline1.gif
celtic knot

celtic knot

knotline2.gif
celtic knot

celtic knot

knotline3.gif

If you use these in your Web pages, Josh asks that you add in a pointer to his Bodhrán Page, where this artwork was first used.

Courtesy of an anonymous donor:

celtic knot