You'll find informations about the campaign here:
http://dayofthefish.wc3sear.ch

The new cool spell you'll find here:
http://wc3sear.ch/?p=Spells&ID=7

Its a double axe boomerang throw. Very nice to kill enemies or chopp down whole forests ;-)

Get the newest version here:
http://wc3sear.ch/?p=Tools&ID=18

get it here:
http://wc3sear.ch/?p=Tools&ID=25

GIMP is a free and very good Graphic Application. Its almost as good as Photoshop and perfect for you if you need a free Application.
You can either fetch the App for Windows:
http://wc3sear.ch/?p=Tools&ID=22
or for Apple Macintosh:
http://wc3sear.ch/?p=Tools&ID=23

which are only 20% of all the visitors who regulary visit the site.
When you are registered you can vote for resources, write comments and write stuff on the forums. You also see new stuff since your last visit e.t.c beside only registered users can upload stuff.