Alignment: Auto
Expands image equally from all sides relative to the thumbnail

Alignment:Center
Expands image at the center of the screen

Alignment: Absolute.
Expands image at absolute coordinates defined by user.

In this case, we're launching the element at (0,0)

Alignment: Relevant
Expands image at absolute coordinates relevant to a specific object.

In this case, we're launching the element relative to Login/Logout control