Use the link below for more examples.
http://www.youtube.com/watch?v=Sp0G-VggAoU
http://www.youtube.com/watch?v=PdSzruR5OeE
http://www.khanacademy.org/math/calculus/derivative_applications/lhopital_rule/v/introduction-to-l-hopital-s-rule
Additional practice:
http://archives.math.utk.edu/visual.calculus/3/lhospital.1/i
HW: Complete WS L'Hopital's Rule Homework (1 - 11).