Guitar Clip Art
About Web Clip Art
Bobbie Peachey maintains this wonderful About.com site, filled with articles and links to hundreds more music and non-music related clip art sites.
About Web Design
Need more help in designing your guitar oriented website? Check in with About.com guide Jean Kaiser, whose comprehensive site offers assistance to web-designer novices and professionals alike.
A few very small illustrations of guitars, as well as clip art of other instruments.
Various music related .gifs here, including various musical notes and a really nice guitar/staff that would make a nice top border for a website.
There are three 3-dimensional pics of guitars (an acoustic, an electric, and a double-necked guitar), amongst other instruments here.
Music Graphics Galore
This giant guitar clip art archive has over 175 pictures of electric and acoustic guitars, divided into small, large, and animated categories.
SK Designs Music Images
Several small illustrated pics of generic guitars and other instruments available for download on this site, in both black and white and color. Linkware.