Need to see (or make!) some art IRL? Try:
Interested in learning a craft/skill? Your (free!) Boston Public Library eCard entitles you to access to Creative Bug, a site with classes on all manner of arts and craft.
These databases are specifically helpful for art-related needs!
These databases aren't focused on art, but they may prove helpful in your research.
The Art Collection is located in the Silent Room; call number range: 700's.