Related command(s): 
CREATE THUMBNAIL
Get format
SET FORMAT
| Constant | Type | Value | 
| On Background | Long Integer | 3 | 
| Replicated | Long Integer | 7 | 
| Scaled to Fit | Long Integer | 2 | 
| Scaled to fit prop centered | Long Integer | 6 | 
| Scaled to fit proportional | Long Integer | 5 | 
| Truncated Centered | Long Integer | 1 | 
| Truncated non Centered | Long Integer | 4 |