New pic

website/src/_posts/2019-04-liftoff-15.md

@@ -2,7 +2,7 @@
 title: "Day 15"
 date: 2019-04-09
 author: samuel
-image: "https://uppy.io/images/blog/30daystoliftoff/day15.jpg"
+image: "https://uppy.io/images/blog/30daystoliftoff/rock dog.jpg"
 series: 30 Days to Liftoff
 seriesSuffix: 'of 30'
 ---