<QUOTE> The I had to look at the esthetic side. After thinking of doing all sorts of drawings on the aluminium foil (hi) I decided to glue the foils inside the cases. I works. </QUOTE>
If you want a really neat job, there are conductive spray coatings (usually containing nickel) that you can spray on the inside of your (plastic) PC case... in many cases, this'll do a nice job of STARTING to shield the enclosure. de Peter K1PGV