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There are numerous websites offering lots of photos and information on the Lake Chapala area. Some are supported by commercial businesses, some are blogs, some are personal collections of photos. We suggest you Google words such as Lake Chapala, Guadalajara, Jalisco, both for "web" links, and for "images". Also, check out youtube.com for some great videos. For example, here are a couple:
Here´s a link to one of Chapala´s biggest annual events, the " FERIA MAESTROS DEL ARTE".
For Guadalajara, here are a couple of interesting links:
Of course, you'll get a great selection of photos by searching for "images" on Google, with keywords:
Tequila (an easy day trip from Chapala).
Tapalpa (another easy day trip from Chapala).