diff --git a/snippets/celsius_to_fahrenheit.md b/snippets/celsius_to_fahrenheit.md
index 7ea57342f..92966afe8 100644
--- a/snippets/celsius_to_fahrenheit.md
+++ b/snippets/celsius_to_fahrenheit.md
@@ -3,6 +3,7 @@ title: Celsius to Fahrenheit
 tags: math
 expertise: beginner
 unlisted: true
+cover: blog_images/last-light.jpg
 firstSeen: 2020-04-05T12:29:03+03:00
 lastUpdated: 2021-01-04T12:47:04+02:00
 ---
diff --git a/snippets/fahrenheit_to_celsius.md b/snippets/fahrenheit_to_celsius.md
index bb4e39c85..f12481089 100644
--- a/snippets/fahrenheit_to_celsius.md
+++ b/snippets/fahrenheit_to_celsius.md
@@ -3,6 +3,7 @@ title: Fahrenheit to Celsius
 tags: math
 expertise: beginner
 unlisted: true
+cover: blog_images/last-light.jpg
 firstSeen: 2020-04-05T12:29:03+03:00
 lastUpdated: 2021-01-04T12:47:04+02:00
 ---
diff --git a/snippets/is_divisible.md b/snippets/is_divisible.md
index 1744cda40..397a2cf88 100644
--- a/snippets/is_divisible.md
+++ b/snippets/is_divisible.md
@@ -3,6 +3,7 @@ title: Number is divisible
 tags: math
 expertise: beginner
 unlisted: true
+cover: blog_images/interior-9.jpg
 firstSeen: 2019-08-20T14:19:55+03:00
 lastUpdated: 2021-01-04T12:47:04+02:00
 ---
diff --git a/snippets/is_even.md b/snippets/is_even.md
index 2b2847b5c..d97f0ee23 100644
--- a/snippets/is_even.md
+++ b/snippets/is_even.md
@@ -3,6 +3,7 @@ title: Number is even
 tags: math
 expertise: beginner
 unlisted: true
+cover: blog_images/interior-3.jpg
 firstSeen: 2019-08-20T14:21:44+03:00
 lastUpdated: 2021-01-04T12:47:04+02:00
 ---
diff --git a/snippets/is_odd.md b/snippets/is_odd.md
index 23cd09aac..64afa64d6 100644
--- a/snippets/is_odd.md
+++ b/snippets/is_odd.md
@@ -3,6 +3,7 @@ title: Number is odd
 tags: math
 expertise: beginner
 unlisted: true
+cover: blog_images/interior-6.jpg
 firstSeen: 2019-08-20T14:21:44+03:00
 lastUpdated: 2021-01-04T12:47:04+02:00
 ---
diff --git a/snippets/km_to_miles.md b/snippets/km_to_miles.md
index 7f90d6e52..f16d7721d 100644
--- a/snippets/km_to_miles.md
+++ b/snippets/km_to_miles.md
@@ -4,6 +4,7 @@ tags: math
 expertise: beginner
 author: maciv
 unlisted: true
+cover: blog_images/interior-5.jpg
 firstSeen: 2020-10-04T00:23:49+03:00
 lastUpdated: 2021-01-04T12:47:04+02:00
 ---
diff --git a/snippets/miles_to_km.md b/snippets/miles_to_km.md
index a038f3f11..6a641efcc 100644
--- a/snippets/miles_to_km.md
+++ b/snippets/miles_to_km.md
@@ -4,6 +4,7 @@ tags: math
 expertise: beginner
 author: maciv
 unlisted: true
+cover: blog_images/interior-5.jpg
 firstSeen: 2020-10-04T00:24:01+03:00
 lastUpdated: 2021-01-04T12:47:04+02:00
 ---