More fixes from the Lancaster doc review. (#453)

docs/reference/images/icon-image.md

@@ -0,0 +1,33 @@
+# icon Image
+
+Create an icon [image](/reference/images/image) for the [LED screen](/device/screen).
+
+```sig
+images.iconImage(IconNames.Heart);
+```
+
+There are lots of pre-made icon images you can use to display on the [LED screen](/device/screen) of the @boardname@. You choose an icon by its name.
+
+## Parameters
+
+* **i**: the icon name of the image you want to show on the [LED screen](/device/screen). You pick an icon image such as: `IconNames.Heart`.
+
+## Example
+
+Show a happy face when button A is pressed or a sad face when button B is pressed.
+
+```blocks
+let iamHappy = images.iconImage(IconNames.Happy)
+let iamSad = images.iconImage(IconNames.Sad)
+
+input.onButtonPressed(Button.A, () => {
+    iamHappy.showImage(0);
+});
+input.onButtonPressed(Button.B, () => {
+    iamSad.showImage(0);
+});
+```
+
+## See also
+
+[arrow image](/reference/images/arrow-image)