They are just images. It's entirely unobtrusive to add magnification to an image, and style it accordingly.
This is the base class for dojox.image.Magnifier, a dojox.gfx-based extension this portion does not require the dojox.gfx package, but is limited to CSS-based styling.
Scale= 2.34, 5.67, and 8.90:
I Am Some inline text.
A Transparent .png: (url unavailable in release versions, need build-utils package, or svn)
Programatic: (destroy() removes this.domNode)
Remote file (GTA:LCS/psp map):
Everybody loves Zelda: