I have been trying and sadly as yet with no success. However... I do know a man that can.. If you check out the following threads regarding a gorrilla and boxer dog character you will see that this chap has definitly got the talent for it and I think if you ask nicely he might be able to help or put you in touch with some one who can...

http://www.renderosity.com/mod/forumpro/showthread.php?thread_id=2809599

http://www.renderosity.com/mod/forumpro/showthread.php?thread_id=2808716