So you've seen that rotoscoping can be fairly naturalistic, or a little more quirky. This is probably my favorite batch, though, featuring experimental styles. While mostly faithful to the original line, the color treatment is really effective in these.
This Nike one has been a favorite of mine for a while now. The color is what really brings it to life.
And this one, a title sequence for a fictional movie, is another I constantly reference. Everything about it. The transition of the lines. The color. The compositing. The soundtrack (The Books, anyone?). All of it. Definitely watch this one.
This is a more recent discovery, but the watercolor against black is so striking. It really emphasizes the motion.