Horse

Not-quick graphite pencil drawing (June 2013)
HB mechanical pencil on the backside of a handout given in my American history class.
Drawn in class (HIST 170).
3.5 in x 4 in (too small to go into more details)
Source: http://ck10628.files.wordpress.com/2008/04/86-e58b95e789a9-e9a6ac-61.jpg

Tiger

Not-quick graphite pencil drawing (July 2013)
HB mechanical pencil on the backside of a handout given in my American history class.
Drawn in class (HIST 170).
3.5 in x 4 in
Source: Couldn't find the location of the website where I found the original photo of this drawing.

Dog

Quick pencil drawing (approx. 30 mins).
HB pencil on the backside of a handout given in my American history class.
Drawn in class (HIST 170).
3 in x 3 in
Source: http://www.polarbearc.com/img/photoimg/p-35dog.jpg