The illustration is the metaphor of an economic crash. A business man is jumping from an unstable column of coins to another. He's holding his suitcase. Behind the scene we can see other columns tottering and a man falling. The background of the illustration is purple, the style is simple and cartoony. No evidence about the outcome, maybe the business man will pull through! Two versions are available : one with dollar coins, another with euro coins. Vitality Business Finance Crash!
Wave crash is a quick sketch of something I might work up later on into something shiny. It uses just black line in various shades, strokes could have a brush effect applied if you so fancied. More liquid, boats, fish, splashes and flowing files like this, some vector, some raster... Sea Wave Spray Wave Crash