diff --git a/.sandstorm/README.md b/.sandstorm/README.md
new file mode 100644
index 000000000..467993cd8
--- /dev/null
+++ b/.sandstorm/README.md
@@ -0,0 +1,12 @@
+# HLedger Web for Sandstorm
+
+## Build instructions
+
+- Clone the repository to your local machine
+- [Install vagrant-spk](https://docs.sandstorm.io/en/latest/vagrant-spk/installation/)
+- Navigate your terminal to your local hledger repository folder
+- Run `vagrant-spk vm up`
+- Run `vagrant-spk dev` to run the app in Sandstorm dev mode
+- Visit http://local.sandstorm.io:6080 in your browser to see changes and test
+- Press Ctrl-C to exit dev mode
+- Run `vagrant-spk pack hledger.spk` to create the Sandstorm package file
\ No newline at end of file
diff --git a/.sandstorm/sandstorm-pkgdef.capnp b/.sandstorm/sandstorm-pkgdef.capnp
index 5ffc7b7c1..ce6627ae2 100644
--- a/.sandstorm/sandstorm-pkgdef.capnp
+++ b/.sandstorm/sandstorm-pkgdef.capnp
@@ -124,8 +124,9 @@ const pkgdef :Spk.PackageDefinition = (
         # Sizes are given in device-independent pixels, so if you took these
         # screenshots on a Retina-style high DPI screen, divide each dimension by two.
 
-        #(width = 746, height = 795, jpeg = embed "path/to/screenshot-1.jpeg"),
-        #(width = 640, height = 480, png = embed "path/to/screenshot-2.png"),
+        (width = 1920, height = 1040, png = embed "screenshot1.png"),
+        (width = 1920, height = 1040, png = embed "screenshot2.png"),
+        (width = 1920, height = 1040, png = embed "screenshot3.png")
       ],
       changeLog = (defaultText = embed "changelog.md"),
       # Documents the history of changes in Github-flavored markdown format (with the same restrictions
diff --git a/.sandstorm/screenshot1.png b/.sandstorm/screenshot1.png
new file mode 100644
index 000000000..9bcea37d5
Binary files /dev/null and b/.sandstorm/screenshot1.png differ
diff --git a/.sandstorm/screenshot2.png b/.sandstorm/screenshot2.png
new file mode 100644
index 000000000..33f1b9b8e
Binary files /dev/null and b/.sandstorm/screenshot2.png differ
diff --git a/.sandstorm/screenshot3.png b/.sandstorm/screenshot3.png
new file mode 100644
index 000000000..5afc69079
Binary files /dev/null and b/.sandstorm/screenshot3.png differ