Something you can do without upgrading to the Pro version is add background images to sub menus. This will makes your current version new in looks. so vims.dll facilitate you to add background images patterns to beautify applications's look.
You can also take backgrounds from different websites and use them for you application backgrounds.
For example from this site you can get styles http://www.grsites.com
The backgrounds can be set as of user's own choice it can be Stretched , Tile or Normal pass to the function for applying background on a particular menu. Three styles for menu background applied as per background chooses and suited.