diff --git a/README.md b/README.md
index abf0cb2..24b3a2d 100644
--- a/README.md
+++ b/README.md
@@ -121,7 +121,9 @@ $ bnlcrl simulate simulate-crl -p 6.52 21500 -v
 ```
 
 This library is used on the SMI beamline at NSLS-II:
-![transfocator](docs/transfocator.jpg)
+![transfocator](docs/transfocator.png)
+
+![attenuation filters](docs/attenuation_filters.png)
 
 #### License
 
diff --git a/docs/.gitignore b/docs/.gitignore
index 21667b8..735fe36 100644
--- a/docs/.gitignore
+++ b/docs/.gitignore
@@ -4,4 +4,4 @@
 !_templates/
 !index.rst
 !Kuhlmann_Marion.pdf
-!transfocator.jpg
+!*.png
\ No newline at end of file
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