How to draw a curved arrow in Keynote 09?

Solution 1:

Create the Arrow

1. From the Insert Shape menu choose the "Draw with Pen" tool:
   

2. Click once at one end of your curved arrow:

3. Click and drag at the other end of your arrow:

4. Hit the Escape key to stop drawing.

5. From the line ends menu, choose an arrowhead you like:

Edit the Arrow

To reshape the curve, click on it once, then click on it again;
When the endpoints turn red you can change things:

Click and drag the round circles at the end of the gray Bezier
handles to reshape the curve (a little practice makes perfect):

Click and drag one of the red endpoints to change the start or end: