diff --git a/krebs/5pkgs/simple/nomads-cloud/default.nix b/krebs/5pkgs/simple/nomads-cloud/default.nix
index 9c39de891..6e4ace484 100644
--- a/krebs/5pkgs/simple/nomads-cloud/default.nix
+++ b/krebs/5pkgs/simple/nomads-cloud/default.nix
@@ -32,7 +32,7 @@ writers.writeDashBin "nomads-cloud" ''
     echo "$maxval"
     cat "$json_path" |
     ${jq}/bin/jq --argjson maxval "$maxval" -c '
-      ((.[0].data[] | sqrt | sqrt) * $maxval | round)
+      ((.[0].data[]) * $maxval | round)
     ' |
     ${findutils}/bin/xargs -n "$width"
   } > "$pgm_path"
diff --git a/krebs/5pkgs/simple/realwallpaper/default.nix b/krebs/5pkgs/simple/realwallpaper/default.nix
index f81f96efe..d28f20cb6 100644
--- a/krebs/5pkgs/simple/realwallpaper/default.nix
+++ b/krebs/5pkgs/simple/realwallpaper/default.nix
@@ -169,7 +169,8 @@ pkgs.writers.writeDashBin "generate-wallpaper" ''
         map=daymap-final.png
         night_map=nightmap-final.png
         cloud_map=clouds-final.png
-        cloud_threshold=10
+        cloud_threshold=1
+        cloud_gamma=2.5
         shade=15
       ''}
 
@@ -181,7 +182,8 @@ pkgs.writers.writeDashBin "generate-wallpaper" ''
         map=daymap-final.png
         night_map=nightmap-final.png
         cloud_map=clouds-final.png
-        cloud_threshold=10
+        cloud_threshold=1
+        cloud_gamma=2.5
         marker_file=marker_file
         shade=15
       ''}