Hide folder in all nokia s60 mobiles

[Napster]

>=> first trick
*go to gallary
*make a new folder
*rename it xyz.ota
*then go to option select type of view=grid
*see the magic folder is hide

=>second trick *go to gallary
*make new folder
*rename it xyz.jad
*copy any file,song,tone to xyz.jad folder
*after that make new folder xyz.jar
*see the magic your xyz.jad folder will be hide
*wanna get xyz.jad folder just delete xyz.jar