Africa is a bit tricky to teach because of the high number of countries, the litany of problems included in each, and the ever present issue with time in the classroom. I use this to get around those a bit.
Student draw a country out of a hat which includes a presentation date. They then spend the next few days doing research in a computer lab or on netbooks. Students will fill out the required information on the provided sheet, then use that information to create a poster on their chosen country which they will present to the class in a short 2 minute presentation.
The file comes as a .doc so you can edit it as needed.