Some URL/address suggestions for you...
It seems ".htm" isn't the default for your site, so if someone snips off the index.htm from your address, they get to see the directory listing. Compare what you see on these two addresses:
http://www.route2x.com/sub/ammom140706/index.htm
http://www.route2x.com/sub/ammom140706/
Same thing on this example:
http://www.route2x.com/sub/
There are a few ways to fix that, depending on what you want to have happen. If you're not sure what to do, let us know and you'll get some guidance here.
Separate from that, my suggestion is that you use something besides sticking the date in the address to track what you submitted and when. Put that info on a notepad/textfile or spreadsheet. Then you'll be free to create more search engine friendly addresses/directories.
For example, taking those things into account, your current site could have one of these addresses instead:
http: // www. route2x. com /milfs/amateur-moms/
http: // www. route2x. com /amateurs/amateur-moms/
http: // www. route2x. com /amateurs/milfs/amateur-moms/
A little bit more tasty for the spiders that way.