Has anyone out there hacked up ExpressionEngine (CMS) to work with SQLite? If so, any good tips or guides on how to do so?
I don't know of any Expression Engine 1.6 that has been modified to support SQLite; however, the next version (2.0) is based on the CodeIgniter framework which has a DAL which supports many databases. Here is a post from an Ellis Labs employee confirming this.