Cleaning your DSLR Sensor. Digital Outback Photo have a new article from contributor Rick Decker that looks at using a product called the Sensor Brush to clean the sensor inside a digital SLR camera.
"My sensor on my SD9 had been getting dirtier and dirtier. I admit I am not the most careful when it comes to changing lenses. I had some success with methanol-based products early on but as the camera got more and more dust, I just couldn't get it clean and often felt like I was just moving dust... [PhotographyBLOG]
This is an interesting product to clean up a camera's sensor