diff --git a/content/Articles/hello-world/cover-dither.jpg b/content/Articles/hello-world/cover-dither.jpg deleted file mode 100644 index 5151b52..0000000 Binary files a/content/Articles/hello-world/cover-dither.jpg and /dev/null differ diff --git a/content/Articles/hello-world/cover-dither.jpg.copy b/content/Articles/hello-world/cover-dither.jpg.copy deleted file mode 100644 index 5151b52..0000000 Binary files a/content/Articles/hello-world/cover-dither.jpg.copy and /dev/null differ diff --git a/content/Articles/hello-world/cover.jpg b/content/Articles/hello-world/cover.jpg index 3eb6d89..429789a 100644 Binary files a/content/Articles/hello-world/cover.jpg and b/content/Articles/hello-world/cover.jpg differ diff --git a/content/Articles/hello-world/cover.jpg.copy b/content/Articles/hello-world/cover.jpg.copy deleted file mode 100644 index 429789a..0000000 Binary files a/content/Articles/hello-world/cover.jpg.copy and /dev/null differ