diff --git a/README.md b/README.md
index 2a9800d36..c1c2a52ab 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,23 @@ See [the manual](http://difftastic.wilfred.me.uk/) to get started.
 
 ![Haskell screenshot](img/haskell.png)
 
+<!--
+To regenerate these screenshots:
+
+$ git clone git@github.com:stedolan/jq.git
+$ cd jq
+$ GIT_EXTERNAL_DIFF=difftastic git show --ext-diff 6306ac89667cf35f47ddc40aa0630546c57e387f
+
+$ git clone git@github.com:MisterTea/EternalTerminal.git
+$ cd EternalTerminal
+$ GIT_EXTERNAL_DIFF=difftastic git show --ext-diff 51ca3e695e94b3fec037c8fe1050e3e343b2a890
+
+$ git clone git@github.com:xmonad/xmonad.git
+$ cd xmonad
+$ GIT_EXTERNAL_DIFF=difftastic git show --ext-diff 6d661203d39e44d1dc2aa3a930381e6711d26d56
+
+-->
+
 ## Languages
 
 Difftastic supports the following languages:
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diff --git a/img/haskell.png b/img/haskell.png
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