diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@
 
 ## Usage
 
-> The best way to try this is to use the [calculator](https://github.com/sumitsahrawat/calculator.git).
+> The best way to try this is to use the [calculator](https://github.com/sumitsahrawat/calculator.git) package.
 
 Import `Graphics.Rendering.Plot.Gtk.UI` and follow the examples below. 
 
diff --git a/plot-gtk-ui.cabal b/plot-gtk-ui.cabal
--- a/plot-gtk-ui.cabal
+++ b/plot-gtk-ui.cabal
@@ -6,7 +6,7 @@
 -- PVP summary:      +-+------- breaking API changes
 --                   | | +----- non-breaking API additions
 --                   | | | +--- code changes with no API change
-Version:             0.2.0.0
+Version:             0.3.0.0
 License:             GPL-2
 License-file:        LICENSE
 Author:              Sumit Sahrawat
@@ -27,7 +27,7 @@
 Cabal-version:       >=1.18
 Build-type:          Simple
 
-Extra-source-files:  README.md
+Extra-source-files:  README.md, stack.yaml, screenshots/sinx.png, screenshots/sinax.png
 Data-dir:            ui
 Data-files:          plot-window.glade
 
diff --git a/screenshots/sinax.png b/screenshots/sinax.png
new file mode 100644
Binary files /dev/null and b/screenshots/sinax.png differ
diff --git a/screenshots/sinx.png b/screenshots/sinx.png
new file mode 100644
Binary files /dev/null and b/screenshots/sinx.png differ
diff --git a/stack.yaml b/stack.yaml
new file mode 100644
--- /dev/null
+++ b/stack.yaml
@@ -0,0 +1,29 @@
+# For more information, see: https://github.com/commercialhaskell/stack/blob/master/doc/yaml_configuration.md
+
+# Specifies the GHC version and set of packages available (e.g., lts-3.5, nightly-2015-09-21, ghc-7.10.2)
+resolver: lts-3.6
+
+# Local packages, usually specified by relative directory name
+packages:
+- '.'
+
+# Packages to be pulled from upstream that are not in the resolver (e.g., acme-missiles-0.3)
+extra-deps: []
+
+# Override default flag values for local packages and extra-deps
+flags: {}
+
+# Control whether we use the GHC we find on the path
+# system-ghc: true
+
+# Require a specific version of stack, using version ranges
+# require-stack-version: -any # Default
+# require-stack-version: >= 0.1.4.0
+
+# Override the architecture used by stack, especially useful on Windows
+# arch: i386
+# arch: x86_64
+
+# Extra directories used by stack for building
+# extra-include-dirs: [/path/to/dir]
+# extra-lib-dirs: [/path/to/dir]