As I cannot speak for, or on behalf of 'The Community', the suggestion I wish to place before you is totally selfish.
I lack two of the main abilities to create games (I enjoy games more than 'general' programs... lol). Imagination and creativity. Not totally but enough to cause a great deal of frustration.
For those of us (Ok. Me.) who have this 'creative block', perhaps a series on game design and or creation. Focusing on concept; storyboarding; tools; structure and efficiency.
Perhaps game creation is too large a topic for one lesson? I think we (Ok. Me.) could benefit from a lesson on good program structure and efficiency.
Just a thought...