Here are some screenshots, gathered from various places on the 'net...
The first known photograph of a moving image produced by Baird's "televisor", circa 1926.
image from <a>Wikipedia</a>
1926
image from http://www.cedmagic.com/history/baird-television-image.html
Sir Harry Lauder (1930s) http://special.lib.gla.ac.uk/sta/lauder/index.html
image from NBTV site.
Jane Carr (1930s)
image from NBTV site.
For some awesome video and restored images from early recordings, visit Don McLean's site at http://www.tvdawn.com
Some very impressive images of later (1930s) efforts can be found at http://framemaster.tripod.com/index.html