diff --git a/templates/homepage/frameset/thumb.PNG b/templates/homepage/frameset/thumb.PNG
deleted file mode 100644
index fd912d1a..00000000
Binary files a/templates/homepage/frameset/thumb.PNG and /dev/null differ
diff --git a/templates/homepage/frameset/thumb.png b/templates/homepage/frameset/thumb.png
index 918ec5e6..fd912d1a 100644
Binary files a/templates/homepage/frameset/thumb.png and b/templates/homepage/frameset/thumb.png differ