I see you are starting on a web site.
The 1st page I pulled up had only three images
that showed. I downloaded one. It was at 120 dpi.
It's best to use 72 dpi for images on web pages.
Are you scanning the art ? You can convert the pics
to 72 dpi in most image editing programs. Good luck,
It's a real learning experience creating a web site.
Woody in KC