EXPLANATIONS BY WENDY MACNAUGHTON.
This approach scores highly in terms of being warm and friendly. I keep saying this (to the point of being really annoying, I know), but we need to engage our audience. Not always with fun, of course, but it’s one good way to go.
Sometimes they’re just for fun, with some insight included.
Wendy’s portfolio: http://wendymacnaughton.com/#portfolio
Prints of her illustrations are for sale here: https://goo.gl/vNMuYR