Creating a successful cartoon strip requires an extra set of skills than illustrating alone. Conveying the message successfully, with or without text can be a specialist skill in it's own right. Luckily for you I can do both!
Most cartoons I create appear in a multi panel comic strip of some kind or as a single panel cartoon. I've even created several cartoons as short animations (usually animated gif's).
Each individual panel image looks like a normal illustration, the major difference is the intended end use of the artwork. To clarify, an illustration is a one off image or a series of images depicting different scenarios. A cartoon however tends to be a more fluid storytelling experience, with each panel leading the viewer through a story, delivering a message whilst capturing the viewers attention for an extended time.