A cost effective way to brighten-up or invigorate business stationary of presentation graphics is business clipart. Clipart has been around at least as long as the PC and has evolved with it. There are basic clipart illustrations that can work for the smaller or the less ambitious businesses out there. There are also up-market business clipart packages to accommodate the kind of business person who understands the importance of good image. For every taste, there's a flavour. There are fewer kinds of products on the market as business clipart that so fully embrace this old adage.
Wikimedia Commons is also similar to the Creative Commons Database. The welcome page of Wikimedia Commons lists the most appropriate explanation of what it really is:
The magnetic lasso tool allows you to select specific parts of the clipart. The result is that you don't have to color the entire image the same color. Magnetic lasso properties can be altered to fit your needs. However, you must be familiar with the lasso tool in your particular program.