Fix incorrect images

yozora/configs/tv/networks.yml

@@ -47,11 +47,11 @@ collections:
 
   CBS Shows:
     template: { name: network, network: "CBS, CBS All Access, CBS Reality, CBS Reality (UK), CBS.com" }
-    url_poster: https://i.imgur.com/LmTQF62.jpeg
+    url_poster: https://i.imgur.com/jLkXT2o.jpeg
 
   Channel 4 Shows:
     template: { name: network, network: "Channel 4, E4, More4, 4Seven, Film4" }
-    url_poster: https://i.imgur.com/jLkXT2o.jpeg
+    url_poster: https://i.imgur.com/0d49D8z.jpeg
     visible_library: true
     visible_home: true
     visible_shared: true