Another unrelated question (well, related since I need both for a slide presentation): How can I increase the thickness of arrows? Thanks, Chris PS: Please cc me. -- Chris Stork (PhD student at UC Irvine) http://www.ics.uci.edu/~cstork/ OpenPGP fingerprint: B08B 602C C806 C492 D069 021E 41F3 8C8D 50F9 CA2F