diff --git a/app/src/main/assets/survival_guide/cumulonimbus.webp b/app/src/main/assets/survival_guide/cumulonimbus.webp
new file mode 100644
index 000000000..dafdd7f77
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diff --git a/app/src/main/assets/survival_guide/poison_ivy.webp b/app/src/main/assets/survival_guide/poison_ivy.webp
index 0f3a24ba0..498a2fdae 100644
Binary files a/app/src/main/assets/survival_guide/poison_ivy.webp and b/app/src/main/assets/survival_guide/poison_ivy.webp differ
diff --git a/app/src/main/res/drawable/cumulonimbus.webp b/app/src/main/res/drawable/cumulonimbus.webp
index 838e5a395..dafdd7f77 100644
Binary files a/app/src/main/res/drawable/cumulonimbus.webp and b/app/src/main/res/drawable/cumulonimbus.webp differ
diff --git a/app/src/main/res/raw/guide_survival_chapter_weather.md b/app/src/main/res/raw/guide_survival_chapter_weather.md
index 31def67ea..2b61c4b1c 100644
--- a/app/src/main/res/raw/guide_survival_chapter_weather.md
+++ b/app/src/main/res/raw/guide_survival_chapter_weather.md
@@ -140,6 +140,14 @@ Usually indicates fair weather, but if it is growing taller, then precipitation
 
 ![](file:///android_asset/survival_guide/cumulus.webp)
 
+**Cumulonimbus**
+
+Low puffy clouds that are very tall. They typically have an anvil shape and are dark.
+
+May indicate a thunderstorm in a few minutes.
+
+![](file:///android_asset/survival_guide/cumulonimbus.webp)
+
 ## Tides
 <!-- K: tide, water, coast, rise, fall, moon, ocean, sea, semidiurnal, diurnal, mixed -->
 <!-- S: Most places have two high tides and two low tides each day. Check tide tables before heading to the coast. -->
diff --git a/artwork/survival_guide/unedited/chaga.jpg b/artwork/survival_guide/originals/chaga.jpg
similarity index 100%
rename from artwork/survival_guide/unedited/chaga.jpg
rename to artwork/survival_guide/originals/chaga.jpg
diff --git a/artwork/survival_guide/unedited/chaga_color.jpg b/artwork/survival_guide/originals/chaga_color.jpg
similarity index 100%
rename from artwork/survival_guide/unedited/chaga_color.jpg
rename to artwork/survival_guide/originals/chaga_color.jpg
diff --git a/artwork/survival_guide/originals/cumulonimbus.jpg b/artwork/survival_guide/originals/cumulonimbus.jpg
new file mode 100644
index 000000000..17275e95a
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diff --git a/artwork/survival_guide/originals/cumulus.jpg b/artwork/survival_guide/originals/cumulus.jpg
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index 000000000..a26ff953d
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diff --git a/artwork/survival_guide/originals/poison_ivy_color.jpg b/artwork/survival_guide/originals/poison_ivy_color.jpg
new file mode 100644
index 000000000..a05ab5ed6
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diff --git a/artwork/survival_guide/unedited/tinder_fungus.jpg b/artwork/survival_guide/originals/tinder_fungus.jpg
similarity index 100%
rename from artwork/survival_guide/unedited/tinder_fungus.jpg
rename to artwork/survival_guide/originals/tinder_fungus.jpg
diff --git a/artwork/survival_guide/unedited/tinder_fungus_color.jpg b/artwork/survival_guide/originals/tinder_fungus_color.jpg
similarity index 100%
rename from artwork/survival_guide/unedited/tinder_fungus_color.jpg
rename to artwork/survival_guide/originals/tinder_fungus_color.jpg
diff --git a/artwork/survival_guide/processed/cumulonimbus_color.webp b/artwork/survival_guide/processed/cumulonimbus_color.webp
new file mode 100644
index 000000000..ff8f9b0ab
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diff --git a/artwork/survival_guide/processed/cumulonimbus_line.webp b/artwork/survival_guide/processed/cumulonimbus_line.webp
new file mode 100644
index 000000000..6c3c4be9b
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diff --git a/artwork/survival_guide/processed/cumulonimbus_line_no_background.webp b/artwork/survival_guide/processed/cumulonimbus_line_no_background.webp
new file mode 100644
index 000000000..f0c28cfa3
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diff --git a/artwork/survival_guide/processed/cumulus_color.webp b/artwork/survival_guide/processed/cumulus_color.webp
new file mode 100644
index 000000000..698075f96
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new file mode 100644
index 000000000..80f9197c7
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diff --git a/artwork/survival_guide/processed/cumulus_line_no_background.webp b/artwork/survival_guide/processed/cumulus_line_no_background.webp
new file mode 100644
index 000000000..073db9f3e
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diff --git a/artwork/survival_guide/processed/poison_ivy_color.webp b/artwork/survival_guide/processed/poison_ivy_color.webp
new file mode 100644
index 000000000..096e0b352
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diff --git a/artwork/survival_guide/processed/poison_ivy_color_no_background.webp b/artwork/survival_guide/processed/poison_ivy_color_no_background.webp
new file mode 100644
index 000000000..c5f34cb98
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diff --git a/artwork/survival_guide/processed/poison_ivy_line.webp b/artwork/survival_guide/processed/poison_ivy_line.webp
new file mode 100644
index 000000000..8bdf5b89a
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diff --git a/artwork/survival_guide/processed/poison_ivy_line_transparent.webp b/artwork/survival_guide/processed/poison_ivy_line_transparent.webp
new file mode 100644
index 000000000..a6b34ae74
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diff --git a/guides/en-US/guide_survival_chapter_weather.txt b/guides/en-US/guide_survival_chapter_weather.txt
index 31def67ea..2b61c4b1c 100644
--- a/guides/en-US/guide_survival_chapter_weather.txt
+++ b/guides/en-US/guide_survival_chapter_weather.txt
@@ -140,6 +140,14 @@ Usually indicates fair weather, but if it is growing taller, then precipitation
 
 ![](file:///android_asset/survival_guide/cumulus.webp)
 
+**Cumulonimbus**
+
+Low puffy clouds that are very tall. They typically have an anvil shape and are dark.
+
+May indicate a thunderstorm in a few minutes.
+
+![](file:///android_asset/survival_guide/cumulonimbus.webp)
+
 ## Tides
 <!-- K: tide, water, coast, rise, fall, moon, ocean, sea, semidiurnal, diurnal, mixed -->
 <!-- S: Most places have two high tides and two low tides each day. Check tide tables before heading to the coast. -->