diff --git a/data/core/images/terrain/flat/shore-concave-bl-br.png b/data/core/images/terrain/flat/shore-concave-bl-br.png
index cae6646d595b..21ed2d573493 100644
Binary files a/data/core/images/terrain/flat/shore-concave-bl-br.png and b/data/core/images/terrain/flat/shore-concave-bl-br.png differ
diff --git a/data/core/images/terrain/flat/shore-concave-bl-l.png b/data/core/images/terrain/flat/shore-concave-bl-l.png
index e9e341dedbb9..a612e5dd12ab 100644
Binary files a/data/core/images/terrain/flat/shore-concave-bl-l.png and b/data/core/images/terrain/flat/shore-concave-bl-l.png differ
diff --git a/data/core/images/terrain/flat/shore-concave-br-bl.png b/data/core/images/terrain/flat/shore-concave-br-bl.png
index 30e37bbc32bf..f9f4f8b90516 100644
Binary files a/data/core/images/terrain/flat/shore-concave-br-bl.png and b/data/core/images/terrain/flat/shore-concave-br-bl.png differ
diff --git a/data/core/images/terrain/flat/shore-concave-br-r.png b/data/core/images/terrain/flat/shore-concave-br-r.png
index ae1b765cb9e9..2c58210584cd 100644
Binary files a/data/core/images/terrain/flat/shore-concave-br-r.png and b/data/core/images/terrain/flat/shore-concave-br-r.png differ
diff --git a/data/core/images/terrain/flat/shore-concave-l-bl.png b/data/core/images/terrain/flat/shore-concave-l-bl.png
index 2cc82b0dd47f..4b3c02c6278e 100644
Binary files a/data/core/images/terrain/flat/shore-concave-l-bl.png and b/data/core/images/terrain/flat/shore-concave-l-bl.png differ
diff --git a/data/core/images/terrain/flat/shore-concave-l-tl.png b/data/core/images/terrain/flat/shore-concave-l-tl.png
index b737605519e9..d62724622794 100644
Binary files a/data/core/images/terrain/flat/shore-concave-l-tl.png and b/data/core/images/terrain/flat/shore-concave-l-tl.png differ
diff --git a/data/core/images/terrain/flat/shore-concave-r-br.png b/data/core/images/terrain/flat/shore-concave-r-br.png
index 7aa99c13a7db..7af42b48b7a0 100644
Binary files a/data/core/images/terrain/flat/shore-concave-r-br.png and b/data/core/images/terrain/flat/shore-concave-r-br.png differ
diff --git a/data/core/images/terrain/flat/shore-concave-r-tr.png b/data/core/images/terrain/flat/shore-concave-r-tr.png
index bc0794fb6e5e..1fa945dca99a 100644
Binary files a/data/core/images/terrain/flat/shore-concave-r-tr.png and b/data/core/images/terrain/flat/shore-concave-r-tr.png differ
diff --git a/data/core/images/terrain/flat/shore-concave-tl-l.png b/data/core/images/terrain/flat/shore-concave-tl-l.png
index fa6cec356671..52ad547d1cb8 100644
Binary files a/data/core/images/terrain/flat/shore-concave-tl-l.png and b/data/core/images/terrain/flat/shore-concave-tl-l.png differ
diff --git a/data/core/images/terrain/flat/shore-concave-tl-tr.png b/data/core/images/terrain/flat/shore-concave-tl-tr.png
index a30b4b3a604f..d1e16e00e0f2 100644
Binary files a/data/core/images/terrain/flat/shore-concave-tl-tr.png and b/data/core/images/terrain/flat/shore-concave-tl-tr.png differ
diff --git a/data/core/images/terrain/flat/shore-concave-tr-r.png b/data/core/images/terrain/flat/shore-concave-tr-r.png
index 9b5c3959bb5b..adf0fb1bc9fd 100644
Binary files a/data/core/images/terrain/flat/shore-concave-tr-r.png and b/data/core/images/terrain/flat/shore-concave-tr-r.png differ
diff --git a/data/core/images/terrain/flat/shore-concave-tr-tl.png b/data/core/images/terrain/flat/shore-concave-tr-tl.png
index 920f6be64def..a0f7ec6f4265 100644
Binary files a/data/core/images/terrain/flat/shore-concave-tr-tl.png and b/data/core/images/terrain/flat/shore-concave-tr-tl.png differ
diff --git a/data/core/images/terrain/flat/shore-convex-bl-br.png b/data/core/images/terrain/flat/shore-convex-bl-br.png
index d944fe4bdaad..53dc0cada581 100644
Binary files a/data/core/images/terrain/flat/shore-convex-bl-br.png and b/data/core/images/terrain/flat/shore-convex-bl-br.png differ
diff --git a/data/core/images/terrain/flat/shore-convex-bl-l.png b/data/core/images/terrain/flat/shore-convex-bl-l.png
index e5dde70d4dad..f16c4c2e3103 100644
Binary files a/data/core/images/terrain/flat/shore-convex-bl-l.png and b/data/core/images/terrain/flat/shore-convex-bl-l.png differ
diff --git a/data/core/images/terrain/flat/shore-convex-br-bl.png b/data/core/images/terrain/flat/shore-convex-br-bl.png
index b524aaf7a31b..7c93be234682 100644
Binary files a/data/core/images/terrain/flat/shore-convex-br-bl.png and b/data/core/images/terrain/flat/shore-convex-br-bl.png differ
diff --git a/data/core/images/terrain/flat/shore-convex-br-r.png b/data/core/images/terrain/flat/shore-convex-br-r.png
index 843b5922434f..ad7845dc9b7b 100644
Binary files a/data/core/images/terrain/flat/shore-convex-br-r.png and b/data/core/images/terrain/flat/shore-convex-br-r.png differ
diff --git a/data/core/images/terrain/flat/shore-convex-l-bl.png b/data/core/images/terrain/flat/shore-convex-l-bl.png
index dec8a9da1bca..1ff4d1d85b67 100644
Binary files a/data/core/images/terrain/flat/shore-convex-l-bl.png and b/data/core/images/terrain/flat/shore-convex-l-bl.png differ
diff --git a/data/core/images/terrain/flat/shore-convex-l-tl.png b/data/core/images/terrain/flat/shore-convex-l-tl.png
index 179eeb3dfa41..cc3a039ba5e6 100644
Binary files a/data/core/images/terrain/flat/shore-convex-l-tl.png and b/data/core/images/terrain/flat/shore-convex-l-tl.png differ
diff --git a/data/core/images/terrain/flat/shore-convex-r-br.png b/data/core/images/terrain/flat/shore-convex-r-br.png
index 69a584968c84..20cf257d15f6 100644
Binary files a/data/core/images/terrain/flat/shore-convex-r-br.png and b/data/core/images/terrain/flat/shore-convex-r-br.png differ
diff --git a/data/core/images/terrain/flat/shore-convex-r-tr.png b/data/core/images/terrain/flat/shore-convex-r-tr.png
index 8c163db0f20a..28f2a8467d87 100644
Binary files a/data/core/images/terrain/flat/shore-convex-r-tr.png and b/data/core/images/terrain/flat/shore-convex-r-tr.png differ
diff --git a/data/core/images/terrain/flat/shore-convex-tl-l.png b/data/core/images/terrain/flat/shore-convex-tl-l.png
index 18a0d563637d..384362be30c6 100644
Binary files a/data/core/images/terrain/flat/shore-convex-tl-l.png and b/data/core/images/terrain/flat/shore-convex-tl-l.png differ
diff --git a/data/core/images/terrain/flat/shore-convex-tl-tr.png b/data/core/images/terrain/flat/shore-convex-tl-tr.png
index 0c01cc877992..f1563e594aee 100644
Binary files a/data/core/images/terrain/flat/shore-convex-tl-tr.png and b/data/core/images/terrain/flat/shore-convex-tl-tr.png differ
diff --git a/data/core/images/terrain/flat/shore-convex-tr-r.png b/data/core/images/terrain/flat/shore-convex-tr-r.png
index bdcf20316e3d..cce1400cd849 100644
Binary files a/data/core/images/terrain/flat/shore-convex-tr-r.png and b/data/core/images/terrain/flat/shore-convex-tr-r.png differ
diff --git a/data/core/images/terrain/flat/shore-convex-tr-tl.png b/data/core/images/terrain/flat/shore-convex-tr-tl.png
index 5316adac8568..7af164cd9232 100644
Binary files a/data/core/images/terrain/flat/shore-convex-tr-tl.png and b/data/core/images/terrain/flat/shore-convex-tr-tl.png differ