Is there a way to save redtube videos?
yes
mouse over the video and press alt+f4. it will prompt you for a save location, browse to whatever one you want and you can save it.
maybe
https://addons.mozilla.org/de/firefox/addon/6033
http://www.nirsoft.net/utils/web_video_capture.html
>>146542that tricked me when i was 10 years.