added PNG uniborg

org-artwork.org

@@ -9,10 +9,11 @@
 
 [[https://lists.gnu.org/archive/html/emacs-orgmode/2013-03/msg01820.html][This thread]] talked of unicorns, the Borg, unicorns with mechanical faceplates, /etc./  Here is one rendition.
 
-[[file:images/artwork/uniborg.svg]]
+[[file:images/artwork/uniborg.png]]
 
 The uniborg was first sketched by hand then transcribed to Inkscape. The source for the image is available in the following format:
 
+- PNG [[http://orgmode.org/worg/images/artwork/uniborg.png][26.9 kB]]
 - SVG [[http://orgmode.org/worg/images/artwork/uniborg.svg][48.6 kB]]
 
 The uniborg is licensed under the [[http://www.gnu.org/copyleft/fdl.html][GNU Free Documentation License]] version 1.3.