I have created a Painkiller Mapshot Pack #2 for Qtracker. It includes all Painkiller 1.61 multiplayer maps. It also features multi-screenshots for each map.

You can download the Mapshot Pack here:
http://www.daikatananews.net/downloads/Painkiller1.61_Mapshots_Qtracker.zip

You can get Qtracker here:
http://www.qtracker.com

Installation of the Mapshot Pack:
You have to extract the contents of the archive to your Qtracker folder (for example: C:\Programs\Qtracker).