Welcome to WebmasterWorld Guest from 126.96.36.199
Please guys you have never been wrong so far.
>>Can i not use a command to block their banners
If you did this to block it for visitors you will also be breaking your host's TOS.
I'm afraid the only real and long term solution is to ditch the free hosting. There are many relatively cheap but reliable hosts out there. Do some research and pick one ;)