Given the following show commands and config file. Why can't I surf the Internet through the LAN port on the Router?
I do not see an IP NAT OUTSIDE configured on any of your interfaces. I am guessing you are using Dialer 1 for your outside interface. You will need to add IP NAT OUTSIDE to it.
This link will help verify if NAT is working
This will help configure NAT.
I hope this helps.