Bird nest with blue eggs

[OYSTERBOY]

How can I change the bird nest to a different picture. Thanks in advance.

 

[Lufbrarunner]

click the apple logo on the top bar, cchoose 'System Preferences' then 'Users& Groups' click on the picture to edit click defaults if you want choose another icon or take a photo with the camera or choose a picture from photo's.

 

[OYSTERBOY]

Pease of cake, thank you.