Pros:
This theme comes in two different flavors with completely different 800x600 JPG wallpaper images and color scheme settings. Shared sound files, button type icons, a few new cursors, web view images, startup/wait/shutdown logo screens and a screen saver are certain to bring Grease back to your daily diet. After all..., Grease is the word.

Cons:
Image quality stands out in a substantially creative way but some of the smaller collage images are a little pixilated.

Overall:
Better JPG compression and sound compression would cut down the file size. If you don't mind the weight, here's some Grease.