Ctrl+A, Ctrl+U. Everyone is now added. Note: it will add everything on the layer you are currently on. If you want more discrimination in who is added: Click on a player token, then Shift+Click on every subsequent player token. When everyone is grouped this way, hit Ctrl+U. Still another method: you can click your left mouse button, hold, drag a box over everyone you want added. Then click Ctrl+U. - Gauss