Better sand and basalt dry-stone walls

changelog.txt

@@ -1,5 +1,6 @@
 2014-06-07: Added support for zeno's Orichalcum mod, reduced some images 
-to 64px since they're for inventory use.
+to 64px since they're for inventory use.  Most images replaced right 
+away because I'm obsessive ;-)
 
 2014-05-27: Update for technic's steel/iron/carbon-steel changes.
 

image-credits.txt

@@ -1132,3 +1132,7 @@ moontest game
 http://www.clker.com/clipart-boot-print.html
 http://en.wikipedia.org/wiki/File:Z-1_Spacesuit_Prototype_-_standing_Nov_2012.jpg
 http://www.nasa.gov/pdf/712209main_11-12__Technology.pdf (the PLSS on the right on page 15)
+
+orichalcum mod
+--------------
+http://commons.wikimedia.org/wiki/File:Drystone_wall_tileable_1024x1024.jpg