Desk Clock Plus

Desk Clock Plus is an enhanced version of the stock android clock program. In addition to displaying the battery level, time, weather for your current location, you can configure various aspects of the display including: ground image, font colors, or apply a theme.

The slide show mode can be configured to use a specific folder (and it's sub-folders) so that only the images you want are part of the show. Additionally you can use slide show folder to rotate the main background image.

Additionally, you can also configure:
... screen saver time out.
... silence the phone while in a multi-media dock.
... 12 or 24 hour clock
... choose image transition effect.