This is a simple addon I made for my camera's popup flash to provide better illumination for macro shots.

What you need:
White piece of cardboard
scissors
glue

Fold the cardboard to fit around the flash and cut an opening so that it can slide onto the flash unit.
Cut around the cardboard at a point slightly less than the length of your lens (about a centimeter) leaving the top section as a hinge.
Adjust the angle so that it is pointing just in front of your lens.
Cut off any excess if needed.
Glue everything together.
Take some pictures and enjoy.