Recently, we started playing the "Mungo Mah Lobeh"/"Throne of Thunder" campaign for the Congo game rules [published by Studio Tomahawk]. So far, we've only played one game [described here] and that went well enough.
It was obvious during this initial game that we didn't have all the player aids we desired. More specifically, the campaign introduces some new character types [archaeologist, doctor &c] and these are described fully in the main rules.
For all the characters from the main rulebook, Studio Tomahawk have provided quick reference cards which can be printed out for use during a game. Sadly, there are no cards available for the characters from the expansion - so I decided to create some myself. Here they are; you should be able to copy them directly from this article if desired: