globe needs an image of the world

where do i find a free sharp image of the world showing countries to put on a sphere?
thanks all

I dunno about labeling countries, but here’s Earth textures:

http://planetpixelemporium.com/earth.html

http://visibleearth.nasa.gov/view_cat.php?categoryID=1484

Straight from the source, NASA. Tons of huge earth images suitable to map to a 3d sphere.

no countries!
thanks