Hi, your world file looks really intesting !
May I suggest you use
Mediafire.com.
They allow uploads and downloads up to 200mb with no fuss.
I haven't been able to download your game yet. Tried 3x in Firefox for 4shared. Now trying in Opera browser. Got it. Yes, your game is big, 431mb.
Suggest you use
7zip, a free archive program to break your world file down into 2 or 3 files, then upload those .ZIP pieces to Mediafire.
4Shared is not the friendliest fileserver and some people may not go through the hassle to download from it since it requires an account and giving their Email address to make one.
Rapidshare is another possibility, tho I don't know what their filesize limit is.