I hate cord management but when I see this I can't help but think, "DUH! Why didn't I think of that?" Keep cords from falling behind your desk with binder clips! Oh and by the way, I love binder clips!
Tips - Unique Ways of Using and Storing Binder Clips
DIY Wall Space Office Organizer - Take your planning to the next level—literally. By using wall space for just about everything, your desk will be clear for the essentials. This array of wall storage serves up an abundance of smart solutions.
Modern Cable Organizers Offering Convenient and Practical Office Storage and Orgaization Solutions
Use a magnetic board and favor tins to organize small things vertically. I'd like to put my spices in the tins, to save space in the kitchen! This link includes lots of great craft storage ideas, including using closet organizers for craft supplies.
Positive Charge- Use an old toolbox (or any container) as an undercover charging station. Drill a hole in the back of the box to make way for a power strip. Then cover the power strip with a board featuring drilled holes for electronic cords.