I took a 2-day course in Toon Boom Storyboard Pro at the Los Angeles Academy of Figurative Arts. This was an assignment completed in 5 hours using randomly-chosen public domain audio and randomly-chosen characters (of course, I ended up with snails).
Click through images below to see storyboard samples.
Lilo and Stitch (series) "Finder" Walt Disney Television Animation
Minnie's Bow-tique "Funny Bunny" Walt Disney Television Animation
Brandy and Mr. Whiskers "Curse of the Vampire Bat" Walt Disney Television Animation
¡Mucha Lucha! "The Flea's Bueno Twin" Warner Bros. TV Animation