http://www.classifiedsubmissions.com/classified-promotion-tips/ Many major classified ad sites are blocking the urls of popular affiliate programs and redirect /url shortener companies like tinyurl.com and bit.ly and even goo.gl. The answer is just to get your own domain name and re-direct it from your control panel to your affiliate url. This way you have a unique domain name that nobody else is promoting. It also looks more professional. The end results will be that you will be able to place more classified ads in more sites and you will get better exposure as well as credibility for your offer.
This video shows you the simple process of re-directing your Godaddy domain name to your affiliate url from their control panel.
You can register your domain name here if you wish: http://www.quickregister.us I am a reseller for Godaddy. After you get your own domain name check out our classified ad submission service here:
We have some great ways of promoting your offer especially if you have your own domain name. Much Success!