Step-by-step tutorial with downloadable preset.
Here's a really quick way to use Shape Layers to make an arrow preset you can use to point to anything in Adobe After Effects. There are a couple of expressions, but it's straight-forward and once you've built your preset, you'll always have an arrow / pointer / thing you can use to draw people's attention.
[Edit: Yeah, I know I've changed the name, but my wife hated it and the joke was starting to get old. Plus this brings these videos inline with my other two series, Makin' and Startin']