1. Open a new image and set the
image to 20 high by 400 wide
2. Select the Type tool. Type in a long text statement that you want to
scroll, in the font you want at 12 pt, bold. The example here will be "The Weather is hot
and muggy in the summer but cold and dry in the winter." Use the arrow
tool to move this text to the right of the stage.
3. Click on frame 200 and hit your F6 key to insert a keyframe. Use your
arrow tool on frame 100 to move your text to the left of he stage, but at
the same horizontal location.
4. Click back on frame 1. Open your Frame panel and select tweening =
motion.