old_contents: import datetime
  import posixpath
  from itertools import chain
  from django.db import models
  from imagekit.models import ImageSpecField
  from imagekit.processors import ResizeToFill, ResizeToFit
  from club.models import Meeting, Member, Guest
  
  
  def _get_upload_path(instance, filename):
      upload_to = 'img/{gallery}/%Y/%m/'.format(gallery=instance.gallery)
      dirname = datetime.datetime.now().strftime(upload_to)
      return posixpath.join(dirname, filename)
  
  
  class Gallery(models.Model):
      name = models.CharField(max_length=255)
      # poster_image is the image for this gallery in the list of galleries
      poster_image = models.ForeignKey(
          'Image', models.SET_NULL,
          related_name='poster_gallery', null=True, blank=True
      )
  
      class Meta:
          verbose_name_plural = 'galleries'
  
      def __str__(self):
          return '%s' % self.name
  
  
  class Image(models.Model):
      gallery = models.ForeignKey(Gallery, models.PROTECT)
      description = models.CharField(max_length=255, blank=True)
      meeting = models.ForeignKey(
          Meeting, models.SET_NULL,
          null=True, blank=True,
      )
      members = models.ManyToManyField(Member, blank=True)
      guests = models.ManyToManyField(Guest, blank=True)
      creator = models.ForeignKey(
          Member, models.SET_NULL,
          related_name='creator_image', null=True, blank=True,
      )
  
      original = models.ImageField(upload_to=_get_upload_path)
      display = ImageSpecField(source='original',
                               processors=[ResizeToFit(600, 370)],
                               format='JPEG',
                               options={'quality': 90})
      thumbnail = ImageSpecField(source='original',
                                 processors=[ResizeToFill(100, 75)],
                                 format='JPEG',
                                 options={'quality': 60})
  
      def __str__(self):
          return self.name
  
      @property
      def name(self):
          if self.description:
              return '%s' % self.description
          people = ', '.join(('%s' % p
                              for p in chain(self.members, self.guests)))
          if self.meeting:
              return '%s: %s' % (self.meeting, people)
          return people
  
new_contents: import datetime
  import posixpath
  from itertools import chain
  from django.db import models
  from imagekit.models import ImageSpecField
  from imagekit.processors import ResizeToFill, ResizeToFit
  from club.models import Meeting, Member, Guest
  
  
  def _get_upload_path(instance, filename):
      upload_to = 'img/{gallery}/%Y/%m/'.format(gallery=instance.gallery)
      dirname = datetime.datetime.now().strftime(upload_to)
      return posixpath.join(dirname, filename)
  
  
  class Gallery(models.Model):
      name = models.CharField(max_length=255)
      # poster_image is the image for this gallery in the list of galleries
      poster_image = models.ForeignKey(
          'Image', models.SET_NULL,
          related_name='poster_gallery', null=True, blank=True
      )
  
      class Meta:
          verbose_name_plural = 'galleries'
  
      def __str__(self):
          return '%s' % self.name
  
  
  class Image(models.Model):
      gallery = models.ForeignKey(Gallery, models.PROTECT)
      description = models.CharField(max_length=255, blank=True)
      meeting = models.ForeignKey(
          Meeting, models.SET_NULL,
          null=True, blank=True,
      )
      members = models.ManyToManyField(Member, blank=True)
      guests = models.ManyToManyField(Guest, blank=True)
      creator = models.ForeignKey(
          Member, models.SET_NULL,
          related_name='creator_image', null=True, blank=True,
      )
  
      original = models.ImageField(upload_to=_get_upload_path)
      display = ImageSpecField(source='original',
                               processors=[ResizeToFit(1024, 768)],
                               format='JPEG',
                               options={'quality': 90})
      thumbnail = ImageSpecField(source='original',
                                 processors=[ResizeToFill(100, 75)],
                                 format='JPEG',
                                 options={'quality': 60})
  
      def __str__(self):
          return self.name
  
      @property
      def name(self):
          if self.description:
              return '%s' % self.description
          people = ', '.join(('%s' % p
                              for p in chain(self.members, self.guests)))
          if self.meeting:
              return '%s: %s' % (self.meeting, people)
          return people
  
subject: Increase display image size