Discussion Forum—A Way with Words, a fun radio show and podcast about language

I just found this list. Looks like it would be a good adjunct to Michael Quinion's World Wide Words site.
http://users.tinyonline.co.uk/gswithenbank/sayindex.htm

Expressions & Sayings Have you ever wondered where some of the expressions and sayings used in everyday language come from? In fact, many of the words and phrases common in daily English originate from a wide variety of sources such as mythology, folklore, literature, religion, science, history, superstition, old customs and practices, the language and culture of other countries, and many more. The following alphabetised pages contain many of common expressions and sayings you may well have used yourself, along with explanations of their meanings and where they originated.