There are many options in the Viewing Booth that allow you to change them from their default levels.
1. Click File->Select Source
Choose which scanner to use, to acquire images.
2. Click File->Settings:

This will allow you to:
- Change the area of the paper to use during a print.
- Choose the posistion that it will print.
- Choose the quality to save a JPG file as.
- Choose the Twain Image Transfer Method
- Adjust the amount of undo's and redo's that are possible.
3. Double click the Paint Bucket.