1. going to your steam profile
2. go to settings an make sure your stuff is set to you public (steam update changed it for everyone
3. go back to your steam profile and go to Inventory.
4. Go to trade offers
5. scroll down till you see on the right hand side Who can send me Trade Offers?
6.scroll down to third-party sites an there is a url copy an paste that in your Dota2lounge profile hit save an wait 5-20mins for it to update.