Users of Eclipse Marketplace can now install an Eclipse solution by simply dragging the solution icon to a running Eclipse Indigo workspace. Simply look for the drag to install icon 
below the solution you want to install. Drag the icon to a working Eclipse Indigo workspace and the Marketplace Client will being the installation process. It is that simple!
Other New Features in Eclipse Marketplace Client (MPC) for Indigo
- New share icon allows you to e-mail or tweet a solution from the MPC
- MPC now shows tags for each solution, making it easier to search for other related solutions
- New interface for third party catalogs make it easier to switch between catalogs