diff --git a/art/dspec.png b/art/dspec.png index f6e2923f791962096e1e78da73c7941c56652c1b..1689ea3169dba02c3cc2977f06ab946644e7b423 100644 Binary files a/art/dspec.png and b/art/dspec.png differ diff --git a/art/williamchart_bar.png b/art/williamchart_bar.png index ee6899fe11b2823c7d02a69ae4ce9fc372a5208d..fdadaa15637d59a521dfed094b7223541b166f82 100644 Binary files a/art/williamchart_bar.png and b/art/williamchart_bar.png differ diff --git a/art/williamchart_line.png b/art/williamchart_line.png index 87184af2ff4faf4cb9edde2c115912a3ba852a7f..69b35e898fd8edfd0d93d2eb9a9efaa537ef3616 100644 Binary files a/art/williamchart_line.png and b/art/williamchart_line.png differ