You may specify in the room configuration logos that will display in the following areas
Assumuning you have a logo file "inclientlogo.jpg" in the directory "logos" on your webserver for the "in Client" logo, you would include "http://www.yourdomain.com/logos/inclientlogo.jpg" in the field for the "in Client" logo.
To illustrate the following is a link to a test logo. It consists of rectangles of different sizes - the size of each rectangle is shown in the image. By using this file as the URL for the 3 logo settings you can observe what portion of the sample logo will be display in each case. Click to see www.talkingcommunities.com/cbf/testlogo.jpgs
If you go to this link and log into the room (no password required) you will see the results: Click to log into room - no password required