I found some of my images here: http://www.flickr.com/photos/safari_vacation/

Looks like there are quite a few more that dont belong to him.

In case you don't know, or for anyone else who doesn't know, you can report this to Flickr via the Report Abuse page (second option in the drop down)
http://www.flickr.com/abuse
I've used it and it was painless and pretty quick.

Doing it right now, thanks!