no, type it as Launcherpro all together. Market is funny that way. It has a yellow square icon with a house in it. By Frederico Carnales. You can also register for his forum and get custom docks/icons to change.
LauncherPro «
I believe so on your sd card question.
adw launcher is another home screen app and SlideScreen. You'll have endless changes you can make once you get into it all!