i am a retired university lecturer and career professional photographer. i now teach specialised photography subjects as well as short filmmaking here in Australia, have been for the last fifteen years. i prepare for each participant a spiral-bound A4 20+ page "manual" of what i feel is core and background material that is relevant to my presentations, and teach a five hour day. these manuals give enough information, charts, etc, that the students, all adults, can refer to them after the one-day class is completed. i get A$845 per day plus expenses (Euro 430 more or less per day). after the workshops are finished the figure seems a bargain, so i am told. but i am also very thorough. many photographers i know who teach workshops often "hold back" for fear of giving away their livlihood skills. this will not happen after teaching for one day what you will have learned in a career and you won't be giving over everything you know, anyway, this isn't possible in such a short time.
good luck teaching. it is a wonderful expereince seeing faces of adults light up like children.
-dd