Secret - Hidden Command Line Switch

Instructions - Go to "Start", "Run" and Type defrag c: -b to defragment the Boot and Application Prefetch information. Similar to what BootVis invokes.

Paint

Secret - Image Trails

Instructions - Open an image and hold down Shift then drag the image around to create an image trail.

Secret - 10x Zoom

Instructions - Open an image and select the magnifying glass icon. Left-Click exactly on the line below the 8x.