Here is my entry for a padded laptop sleeve that recycles a sheet of foam packing material and uses about a half a roll of duct tape. The project only took about 2 hours and the end result is a pretty sturdy cushioned sleeve perfect for your eeepc or any other laptop you want to protect.
Step 1: Materials List
Cutting knife ( I recommend a snap-off blade knife)
Sheet of foam packing material (I recycled mine from a package I received)
Step 2: Sizing the cushion liner
I cut the packing approximately the width of the original case, maybe slightly wider. Since I was recycling the foam I did not cut away from the length. In fact if I were to do this again, I would use a longer piece of foam to create a longer flap.
Save any excess you may have. The strip I cut away was used later to pad the sides of the bag.
Step 3: Laying down the first tape layer
I measured the foam and decided to make this base layer of tape about 2 inches wider on each of the long sides and about 4 inches longer either end. The tape has to be laid out sticky side up and I just use a piece of masking tape to hold the ends down.
I overlapped each strip about 1/4 inch.