Here are some links which I have found helpful for the study of African Religions:

Chidi Denis Isizoh's website on African Traditional Religions

Images of Dogon Artifacts

West African Languages
Did you ever wonder how you pronounce some of those words in African languages?  Here is a site that will let you hear basic conversations in various West African languages.  It gives you a good general idea of how to pronounce some of those tricky words!  The languages are quite beautiful by the way.