Installing a Mac application is easy. Usually, you can just drag the application’s icon to your drive.
Mac developers, smart that they are, don’t assume that users know this so they come up with new and interesting ways to document the install process in a mounted .dmg file window. “ReadMe.txt” is so Windows 95. Some have taken to including an alias of the /Applications folder with instruction to drag the application’s icon to that alias. No digging in the Finder. Install it all right there in the main window.
Adium 1.2 (free and amazing multi-protocol chat client) was just released.
I love how they “explain” the install: