Cleanup, rendering fixes.

fixed rendering of tented vias
fixed rendering of semi-transparent layers
fixed file type detection issues
added some examples

1 files changed, 2 insertions, 1 deletions

diff --git a/README.md b/README.md
index 298cf0c..cb73b30 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ pcb-tools
 

 Tools to handle Gerber and Excellon files in Python.

 

-Useage Example:

+Usage Example:

 ---------------

     import gerber

     from gerber.render import GerberCairoContext

@@ -27,6 +27,7 @@ Rendering Examples:
 -------------------

 ###Top Composite rendering

 ![Composite Top Image](examples/cairo_example.png)

+![Composite Bottom Image](examples/cairo_bottom.png)

 

 Source code for this example can be found [here](examples/cairo_example.py).