UPDATE: The answer might not work any longer since permissions.default.image became a frozen settingpermissions.default.image became a frozen setting and cannot be changed. Please try with quickjava extension (link to the answeranswer).
You need to pass firefox_profile instance to the webdriver constructor:
from selenium import webdriver firefox_profile = webdriver.FirefoxProfile() firefox_profile.set_preference('permissions.default.stylesheet', 2) firefox_profile.set_preference('permissions.default.image', 2) firefox_profile.set_preference('dom.ipc.plugins.enabled.libflashplayer.so', 'false') driver = webdriver.Firefox(firefox_profile=firefox_profile) driver.get('http://www.stackoverflow.com/') driver.close() And this is how it would be displayed:
