Change the picture that appears on the Welcome screen and on the Start menu in Windows 7

To change the picture that appears on the Welcome screen and on the Start menu, perform the following steps:

1. Click Start button, and click Control Panel.
2. Click on User Accounts and Family Safety.
3. Under User Accounts, click on Change your account picture.
4. Select one of the pictures that appears in the Change your account picture window or click on the Browse for more pictures... link to select a picture from a location from and then click Change Picture.