add last of the initial batch of images

source/images/metadata.yaml

@@ -48,6 +48,66 @@ output:
 ---
 name: replica-set-four-members-add-arbiter
 alt: "Diagram of four member replica set plus an arbiter for odd number of votes."
+output:
+  - type: print
+    tag: 'print'
+    dpi: 300
+    width: 2100
+  - type: web
+    tag: ''
+    dpi: 72
+    width: 350
+---
+name: replica-set-only-seven-voting-members
+alt: "Diagram of 9 member replica set with the maximum of 7 voting members."
+output:
+  - type: print
+    tag: 'print'
+    dpi: 300
+    width: 2100
+  - type: web
+    tag: ''
+    dpi: 72
+    width: 350
+---
+name: replica-set-three-members-geographically-distributed
+alt: "Diagram of 3 member replica set distributed across two datacenters. Replica set includes a secondary-only member."
+output:
+  - type: print
+    tag: 'print'
+    dpi: 300
+    width: 2100
+  - type: web
+    tag: ''
+    dpi: 72
+    width: 350
+---
+name: replica-set-three-data-centers
+alt: "Diagram of 5 member replica set distributed across three datacenters. Replica set includes a secondary-only member."
+output:
+  - type: print
+    tag: 'print'
+    dpi: 300
+    width: 2100
+  - type: web
+    tag: ''
+    dpi: 72
+    width: 350
+---
+name: replica-set-hidden-member
+alt: "Diagram of 5 member replica set with a hidden secondary-only member."
+output:
+  - type: print
+    tag: 'print'
+    dpi: 300
+    width: 2100
+  - type: web
+    tag: ''
+    dpi: 72
+    width: 350
+---
+name: replica-set-delayed-member
+alt: "Diagram of 5 member replica set with a hidden delayed secondary-only member."
 output:
   - type: print
     tag: 'print'