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

docs/reference/images/arrow-image.md

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+# arrow Image
+
+Create an arrow shaped [image](/reference/images/image) for the [LED screen](/device/screen).
+
+```sig
+images.arrowImage(ArrowNames.North)
+```
+
+The arrow points in the direction of the arrow name you choose, like `North`.
+
+## Parameters
+
+* **i**: the arrow name to make an arrow [image](/reference/images/image) for. You can make an arrow image that points in one of these directions:
+
+>* `North`
+* `NorthEast`
+* `East`
+* `SouthEast`
+* `South`
+* `SouthWest`
+* `West`
+* `NorthWest`
+
+## Example
+
+Display a left arrow when button A is pressed or a right arrow when button B is pressed.
+
+```blocks
+let arrowLeft = images.arrowImage(ArrowNames.West)
+let arrowRight = images.arrowImage(ArrowNames.East)
+
+input.onButtonPressed(Button.A, () => {
+    arrowLeft.showImage(0);
+});
+input.onButtonPressed(Button.B, () => {
+    arrowRight.showImage(0);
+});
+```
+## See also
+
+[arrow number](/reference/images/arrow-number)

docs/reference/images/arrow-number.md

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+# arrow Number
+
+Get the number that matches an arrow image name.
+
+```sig
+images.arrowNumber(ArrowNames.North)
+```
+
+Each arrow image name has a number for it. You can find the number for any arrow name with ``||arrow number||``.
+
+## Parameters
+
+* **arrow**: the arrow name to get an arrow number for. These are the arrow names:
+
+>* `North`
+* `NorthEast`
+* `East`
+* `SouthEast`
+* `South`
+* `SouthWest`
+* `West`
+* `NorthWest`
+
+## Example
+
+Get the arrow number for `ArrowNames.South`.
+
+```blocks
+let arrowSouthNumber = images.arrowNumber(ArrowNames.South)
+```
+## See also
+
+[arrow image](/reference/images/arrow-image)

docs/reference/images/icon-image.md

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+# 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)