Messenger Jump! MSN Content Installer is a program that helps you preview, install additional MSN Messenger Content (such as winks, emoticons, display pictures, moods, backgrounds) to your MSN Messenger. How to use: Messenger Jump! MSN Content Installer is very easy to use. After you logged on MSN Messenger: (1) Select your favorite MSN Content in content list. (2) Click "Install to MSN" button.