Blink

The colon between the hours and minutes will blink every second.

Junkie mode

Alternate colour scheme, as requested by @CaffeineJunkie.

Bluetooth Vibe

Vibrate on Bluetooth disconnect.

Hourly Vibe

Vibrate on the hour.

Hide Branding

Don't display 'Pebble Smartwatch' at the top of the watch face.

Hide Battery Level

Don't display the battery icon and percentage on the watch face.

Show Seconds

Reduce the size of the clock to display seconds.