Every time I work with Image or File fields in Django I forget some tiny detail that waste 10-20 minutes until I remember what was I missing, I always say I will remember it next time but I never do! so I made a list of common errors I keep doing while working with Image/File fields:

For complete working project: (https://github.com/rayed/dj-imagefield-example)

Setting MEDIA_URL and MEDIA_ROOT

Make sure you set proper values for MEDIA_URL and MEDIA_ROOT in your settings.py, e.g. I use the following structure: