Hi agraham,
You're a bloody legend
Weather is bad enough to challenge gamma, brightness, contrast, etc.
control with a slider. Your idea of using filter matrices for manipulation
offers total freedom (and fun).
Not familiar with the inner life of a dll. Could yours and dzt's dzImage be
merged into the most powerful library the compact .NET world has ever seen?
I faintly recall that you are using VS while dzt is in to #Develop (?)