Leopard: Stop Application Icons on Dock From Bouncing
Are you tired of bouncing dock icons when you launch a new application? Thereās a simple way to get rid of this feature if you find it annoying.
1. Click on Apple menu in the upper left corner.
2. Select Dock and then select Dock Preferences from the menu.
3. Uncheck the Animate opening applications checkbox
4. Close the Preference pane.
Itās that simple. The icons will no longer bounce when you launch the applications.