diff --git a/example_workflows/AnglesSelector3D.png b/example_workflows/AnglesSelector3D.jpg similarity index 100% rename from example_workflows/AnglesSelector3D.png rename to example_workflows/AnglesSelector3D.jpg diff --git a/example_workflows/SimpleAnglesSelector.png b/example_workflows/SimpleAnglesSelector.jpg similarity index 100% rename from example_workflows/SimpleAnglesSelector.png rename to example_workflows/SimpleAnglesSelector.jpg