diff --git a/graphics/pantDotNet/horn_body.pdn b/graphics/pantDotNet/horn_body.pdn deleted file mode 100644 index cca6b66..0000000 Binary files a/graphics/pantDotNet/horn_body.pdn and /dev/null differ diff --git a/graphics/pantDotNet/horn_body_filled.pdn b/graphics/pantDotNet/horn_body_filled.pdn deleted file mode 100644 index d8967f5..0000000 Binary files a/graphics/pantDotNet/horn_body_filled.pdn and /dev/null differ diff --git a/graphics/pantDotNet/horn_tip.pdn b/graphics/pantDotNet/horn_tip.pdn deleted file mode 100644 index 1ae788d..0000000 Binary files a/graphics/pantDotNet/horn_tip.pdn and /dev/null differ diff --git a/graphics/pantDotNet/horn_tip_filled.pdn b/graphics/pantDotNet/horn_tip_filled.pdn deleted file mode 100644 index 50d9619..0000000 Binary files a/graphics/pantDotNet/horn_tip_filled.pdn and /dev/null differ diff --git a/graphics/pipe_body.png b/graphics/pipe_body.png index b8a65a3..e875341 100644 Binary files a/graphics/pipe_body.png and b/graphics/pipe_body.png differ diff --git a/graphics/train.png b/graphics/train.png index 2070088..10190bb 100644 Binary files a/graphics/train.png and b/graphics/train.png differ