Retrieve all the EC2 images available on your account.

        :type image_ids: list
        :param image_ids: A list of strings with the image IDs wanted

        :type owners: list
        :param owners: A list of owner IDs

        :type executable_by: list
        :param executable_by: Returns AMIs for which the specified
                              user ID has explicit launch permissions

        :type filters: dict
        :param filters: Optional filters that can be used to limit
                        the results returned.  Filters are provided
                        in the form of a dictionary consisting of
                        filter names as the key and filter values
                        as the value.  The set of allowable filter
                        names/values is dependent on the request
                        being performed.  Check the EC2 API guide
                        for details.

        :rtype: list
        :return: A list of :class:`boto.ec2.image.Image`

def get_all_images(self, image_ids=None, owners=None,
                       executable_by=None, filters=None):
        """
        Retrieve all the EC2 images available on your account.

        :type image_ids: list
        :param image_ids: A list of strings with the image IDs wanted

        :type owners: list
        :param owners: A list of owner IDs

        :type executable_by: list
        :param executable_by: Returns AMIs for which the specified
                              user ID has explicit launch permissions

        :type filters: dict
        :param filters: Optional filters that can be used to limit
                        the results returned.  Filters are provided
                        in the form of a dictionary consisting of
                        filter names as the key and filter values
                        as the value.  The set of allowable filter
                        names/values is dependent on the request
                        being performed.  Check the EC2 API guide
                        for details.

        :rtype: list
        :return: A list of :class:`boto.ec2.image.Image`
        """
        params = {}
        if image_ids:
            self.build_list_params(params, image_ids, 'ImageId')
        if owners:
            self.build_list_params(params, owners, 'Owner')
        if executable_by:
            self.build_list_params(params, executable_by, 'ExecutableBy')
        if filters:
            self.build_filter_params(params, filters)
        return self.get_list('DescribeImages', params,
                             [('item', Image)], verb='POST')