Awww so studious teacher, I want him to teach my nieces n nephews... lol... Do u mind if I use this teacher to draw in graphite n colored pencils n will mention your link as my reference.... so cute, cannot resist not to draw it. Pls allow me!
I've been a big fan of this photograph for a long time, and was surprised to see it being used as an advertisement in a coupon- magazine for "Smart Dogs Training and Lodging" [link] I see that you mentioned that you are already aware that people have been using your art, but I'm still disapointed that I didn't see any credit mentioning the photographer. I thought I'd let you know in case there is some way you can get the credit you deserve, or have it removed. This is an incredible photograph and you deserve to be acknowledged.
Agree with, Andrew. Seeing the thumbnail made me ecstatic and when I clicked to enlarged... bam, ugly watermark made me sneer. Thus, no desire to fave. However, you have over 4000 already, so not having one more isn't going to harm you.
In regards to wanting to "protect" your images, have you considered making your own, non-intrusive watermark? Though, seeing that this was taken in 2007, you may have gone that route already.