(all Audiobooks on gutenberg.org)
has also some German audio books. But the search function is poor, so you must search on that above mentioned page for "(German)" to find the 27 German audiobooks.
Some Wikipedia articles in the German wikipedia have also an audio "Gesprochene Wikipedia".
Vera, danke schön. I don't know how you did that, but I couldn't for the life of me figure it out on my own. Thanks again, anyway, I've bookmarked it.