Example for class for scraping images from Craigslist details. The only thing you need to do in order to get the image model to work correctly, is to update the items.py file to include it.

craigstlist_spider_images.py

from scrapy.spiders import CrawlSpider, Rule
from scrapy.linkextractors import LinkExtractor

import scrapy

# item models
from craigslist.items import CraigslistItem, CraigslistItemDetail, CraigslistImage

class CraigslistSpider(CrawlSpider):

	name = "craigslist"
	allowed_domains = ["craigslist.org"]
	start_urls = [
	    "https://losangeles.craigslist.org/search/rva?query=airstream"
	]

	rules = (
		# Rule(LinkExtractor(allow=(), restrict_xpaths=('//a[@class="button next"]',)), follow = True),
		Rule(LinkExtractor(allow=(), restrict_xpaths=('//a[@class="hdrlnk"]',)), callback="parse_image_details", follow = True),
	)


	def parse_image_details(self, response):

		images = response.xpath("//img/@src")

		for image in images.extract():
			item = CraigslistImage()
			item['image_url'] = image
			item['post_url']  = response.url
			yield item

	# def parse_search(self, response):
	# 	"""
	# 		We will be retiring our parse_search method
	# 	"""

    #        	for sel in response.xpath("//p[@class='row']"):

    #        	  # //span[@class='price']
	#             item = CraigslistItem()
	#             item['title'] =  sel.xpath("span/span/a[@class='hdrlnk']").extract()[0]
	#             item['link']  =  sel.xpath("span/span/a/@href").extract()[0]
	#             item['price'] =  sel.xpath("span/span/span[@class='price']/text()").extract()[0]
	#             yield item

	# def parse_page(self, response):
	# 	print "Parsing a detail page!"

	# 	item_detail  	=	CraigslistItemDetail()

	# 	extracted = {
	# 		"address": 		response.xpath("//div[@class='mapaddress']/text()").extract(),
	# 		"movein_date": 	response.xpath("//span[contains(@class, 'housing_movein_now')]/text()").extract(),
	# 		"price":        response.xpath("whatever th ehll the query is").extract(),
	# 	}

	# 	# Check that our extracted entities are not empty
	# 	for entity, extracted in extracted.items():
	# 		if len(extracted) > 0:
	# 			# if not, extract the first item (expecting single list entities)
	# 			item_detail[entity] = extracted[0]

	# 	yield item_detail