diff --git a/content/videos/challenges/134-heart-curve/showcase/contribution10.jpg b/content/videos/challenges/134-heart-curve/showcase/contribution10.jpg
new file mode 100644
index 000000000..138495c74
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diff --git a/content/videos/challenges/134-heart-curve/showcase/contribution10.json b/content/videos/challenges/134-heart-curve/showcase/contribution10.json
new file mode 100644
index 000000000..afd1cdf83
--- /dev/null
+++ b/content/videos/challenges/134-heart-curve/showcase/contribution10.json
@@ -0,0 +1,8 @@
+{
+    "title": "Different Equations & Shaders",
+    "url": "https://github.com/kfahn22/heart_curve",
+    "author": {
+        "name": "Kathy McGuiness",
+        "url": "https://github.com/kfahn22"
+    }
+}
\ No newline at end of file
diff --git a/content/videos/challenges/77-recursion/index.json b/content/videos/challenges/77-recursion/index.json
index cbde1aa90..953ddeef4 100644
--- a/content/videos/challenges/77-recursion/index.json
+++ b/content/videos/challenges/77-recursion/index.json
@@ -3,7 +3,7 @@
   "description": "In this coding challenge, I explore the concept of recursion to create fractal patterns in JavaScript HTML5 canvas with the p5.js library.",
   "videoNumber": "77",
   "videoId": "jPsZwrV9ld0",
-  "date": "2017-05-10",
+  "date": "2017-10-05",
   "languages": ["JavaScript", "p5.js"],
   "topics": ["recursion", "fractals", "beginners"],
   "canContribute": true,
diff --git a/content/videos/challenges/87-3d-knots/index.json b/content/videos/challenges/87-3d-knots/index.json
index 6bc73ca7c..5274ac899 100644
--- a/content/videos/challenges/87-3d-knots/index.json
+++ b/content/videos/challenges/87-3d-knots/index.json
@@ -10,7 +10,7 @@
   "relatedChallenges": [
     "25-spherical-geometry",
     "12-lorenz-attractor",
-    "86-cube-wave-by-bees-and-bombs"
+    "55-mathematical-rose-patterns"
   ],
   "timestamps": [
     { "time": "0:00", "title": "Introduction" },
diff --git a/content/videos/challenges/87-3d-knots/showcase/contribution3.jpg b/content/videos/challenges/87-3d-knots/showcase/contribution3.jpg
new file mode 100644
index 000000000..2e5914090
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diff --git a/content/videos/challenges/87-3d-knots/showcase/contribution3.json b/content/videos/challenges/87-3d-knots/showcase/contribution3.json
new file mode 100644
index 000000000..802e62991
--- /dev/null
+++ b/content/videos/challenges/87-3d-knots/showcase/contribution3.json
@@ -0,0 +1,8 @@
+{
+    "title": "Animated Torus Knot",
+    "author": {
+        "name": "Kathy McGuiness",
+        "url": "https://github.com/kfahn22/torus_knots"
+    },
+    "url": "https://kfahn22.github.io/torus_knots/"
+}