i tried using the pak editor on the site to make it but its not working..when i change the height,weidth, X and Y the item juz disappear when i try my item on ground...i can see it BIG..
You dont have to do all that. Just go into your Sprites folder. Delete the file Itemground.pak and make a copy of Item.pak, rename the copy of Item.pak to Itemground.pak.