Screenshot added.

README.md

@@ -1,4 +1,4 @@
-Billboards for Minetest
+## *Billboards for Minetest*
 =======================
 
 Forked from
@@ -7,7 +7,7 @@ https://github.com/crazyginger72/billboard.git
 This Mod adds 3x3 signlike Billboards with Craftrecipes.
 The Dimension of an Texture is 512 x 300 Pixel.
 
-Craftrecipes:
+## *Craftrecipes:*
 =============
 
 Wo = Wool  
@@ -18,7 +18,12 @@ St St St
 SI Wo Wo  
 St St St  
 
-License: 
+## *License:*
 ========
 
 WTFPL
+
+## *Screenshot:*
+=============
+
+![Screenshot 1] (textures/Screenshot.png)