diff --git a/images/basic-env.png b/images/basic-env.png
index eba5cad629c35fbacef372ff3f1d9616c902007b..6e5a3f5114fa24dc404193951f58e7f1b6d106d3 100644
Binary files a/images/basic-env.png and b/images/basic-env.png differ
diff --git a/images/env-path.png b/images/env-path.png
index 95b9faa9fbe78e36c49216058274dbd18495cc12..7c7ca077cba98d96309ba5fb60903a8d2aa9a798 100644
Binary files a/images/env-path.png and b/images/env-path.png differ
diff --git a/images/env-tree-graph.png b/images/env-tree-graph.png
index f33b5f4c8d69ab2c028e6cc1689f4ccbb7600ce3..9b2a2d6a9cc4792c962e0fdbdd87f233aaac7d7d 100644
Binary files a/images/env-tree-graph.png and b/images/env-tree-graph.png differ
diff --git a/images/env-tree-spatial.png b/images/env-tree-spatial.png
index 54ac9bfc0c2cb0853a319368add4d6ac5514fd28..fe1f5760f7b99afd3172357aab0929206b05abab 100644
Binary files a/images/env-tree-spatial.png and b/images/env-tree-spatial.png differ