Change the colors of the boxes so they aren't the same color as the background. Mixing color boxes is fine. Boxes usually look better aligned vertically. Don't repeat the title word in the text below. Number boxes inside the boxes, not on the outside of the boxes.
Outside numbers tend to draw the eye down to read rather than across to each item and then down.
The Sept. 2000 issue of Presentations reviewed video-editing software programs that can be used by amateur video makers. They rate them on a scale from 1 to 5. Rerview says that it is easy to use with good effects and text control but has no timeline interface that makes fine tuning edits and syncing audio difficult. Ulead VideoStudio, rated 4. Review says the package contains both timeline and storyboards windows and has video wizard to help beginners, but has limited effects and rudimentary titler.