Some people may not want to set the display picture in window would rather feel better to remove it from start menu, Windows 7 Start Menu User Picture Remover is another cool freeware developed by Kishan Bagaria which can remove user picture, who has also developed another useful tools like Windows 7 Start Button Changer, Folder Background Changer etc.
Start Menu User Picture Remover is a simple to use tool to remove or delete user picture displayed in start menu in windows 7, this is a portable tool which does not require installation but while running you will need to run this tool with administrative rights.
In order to run this tool with administrative rights, right click the executable of this application and then select run as administrator or run it from user account equivalent to administrator account. To remove the user account picture, click the button on the tool which says Remove Start Menu User Picture
Download Start Menu User Picture Remover