the sites you named have changed to paid accounts..
my favorite sites that are free to submit to are...
http://tgpsubmit.persiankitty.com/submit/tgpsubmit.html
http://submit.thehun.net/ (submit every 3 days add there recipt to your gallery)
if you submit pornstar galleries
http://freeones.com/ is the best free account online today
hope this helps you get started..