Windows 7 User Picture Frame Changer is a freeware from door2windows that allows you to change the user picture frame in Windows 7 with just one click.
Apps from door2windows are truly free and DON'T include any offers to install 3rd-party apps/adware/toolbars/unwanted software and never will. The apps are portable and don't require installation.
Download door2windows App Bundledoor2windows App Bundle gives you access to all the latest apps released by door2windows in one download (along with future updates).
How to use:
Run the tool as administrator. If you have run this tool for the first time then it will create a backup of the unmodified "explorer.exe".
Click Change User Picture Frame. When it asks for the new user picture frame bitmap, select the user picture frame bitmap you have or download some from here.
The Windows Explorer will now restart automatically and you will be able to see the new user picture frame which you chose.
To restore the default explorer, just click Restore User Picture Frame.