YouTube automatically captures three thumbnail images from uploaded videos and gives you the choice of using any one of these images. There's no way to upload a separate image to use as the video's ...

Change the pictures in the strip of thumbnails just above your Facebook wall to edit what others see when they visit your profile. By default, Facebook sets your five most-recently tagged photos to ...

Welcome to the world of thumbnails, those miniature headshots posted on casting websites and the tiny images meant to entice viewers on video-sharing platforms. Thumbnails are more momentous than ...