SmileyChris/easy-thumbnails — pull request #274 by vinta (2013-10-29 23:30:53+00:00)
Title: Progressive JPG support

Sample Usage:

``` py
THUMBNAIL_ALIASES = {
'app.Model.field': {
'large': {
'size': (1920, 0),
'quality': 85,
'progressive': True,
},
'medium': {
'size': (600, 0),
'quality': 85,
'upscale': True,
},
'small': {
'size': (250, 0),
'quality': 85,
},
},
}
```