German sites: Well, you might take a look at
http://www.io-home.org/portfolios/index_html ... Or advertise a job on dasauge.de, digitalartforum.de or other art communities/networks and see if you like an applicant's portfolio.
Btw, I am an illustrator, too. (Portfolio:
Link) If you're interested, just send me a note.
Good luck!
