How to remove the Edge icon?

Get Customize for your iphone.
Get iBrickr for your 1.0.2 iphone.
Download NoEdgeIcon Pack.

In iBrickr go to "Files". On the Right site go to:

/var/root/Libary/Customize/EdgeImages/

Create a folder named: noEdgeIcon
Go in the created folder and upload: noicon-1.png and noicon.png
Now you can grab your iPhone, run Customize and select the NoIcon theme