Homebrewed christianity has some of the best ingredients to brew your own faith. This website/podcast is an excellent way to increase your theological knowledge, without paying for seminary.
The liturgists podcast is a great look into our postmodern, post-christian world. Hosts Michael Gungor and Science Mike have conversations that we don't usually have in church - ll through the lenses of science, art, and faith.
Richard Rohr's daily meditation is sent out via email, but you can find all the archived meditations here.
The Blue Letter Bible is a site that offers a powerful and free bible study resources. It even has a lexicon in which you can quickly search for the original hebrew and greek. This is a quick and easy way to dive deeper into scripture.