Where´s logo from templates?

some templates have SO logo in context.
where these images is located ?
why can not sees them on the client screen

The logo for a given template can be selected in the creation dialog.

thanks for your reply!!!
my question is, for example, in my context, i have a LOGO with value /image/centos.png.
IN provision screen client , when i create machine, select template i can´t see this image on template button.