My i337 was disconnecting wifi frequently from my router, and this is what I did to fix it.
Dial *#0011# from the dialer to bring up your service menu.
Hit your settings (menu) button, and select Wi-Fi.
From that menu, turn Wi-Fi power save mo...
Just thought I'd share the Windy Weather .apk that's working with our phones. It's ported from the GS3 but works fine on the GS4, enjoy!
Here's the "Windy Weather" wallpaper from the Galaxy S3. Works great, looks great!
EDIT: Updated OP with a better version of the wallpaper, ported from the ATT GS3. Much higher res and a bit smoother too. Enjoy!
Task just released a CWM flashable zip of the leaked ATT rom here :
Just got my Caseology Bumper Frame in "Carbon Fiber". Took a quick video of it for you guys!