Add italics, boldfacing and underlining sparingly for emphasis. You can drop in a shadow by clicking the S on the Formatting tool bar. The shadow command also appears in the Font dialog box under the Format menu. If the only printer available is a monochrome laser, you're stuck without color and animation for dynamic presentations. But that doesn't mean your presentation has to look dull.
Permanent markers adhere to clear acetate and come in primary colors.
Stay between the lines, just as you learned in kindergarten, and use color sparingly for emphasis. Add clip art. In black and white, an occasional illustration helps. Avoid multiple grays. For variation, you might want to add a black tint, which appears as gray on paper.