Sometimes you need a fresh start, begin from a clean sheet of paper, do some serious house cleaning. Covering a busy messy image with a paint roller and some stripes of fresh paint is a great way to visualize this message.
Here is an example of images on iStockPhoto that could be that basis of such a chart (the yellow paint rollers, make sure to strip out the white background color in Photoshop or with this PowerPoint trick). This post was triggered by this ad on Ads of the World: