Check you set your Steam Inventory to public. Make sure your Steam Trade link is properly set. If you think it is, double check and reset it! If you've just recieved new items. Refresh your inventory using the button in the left hand corner of the module. If you answered yes to all those questions and you inventory still doesn't load, please wait 10 minutes. If 10 minutes has surpassed and your inventory still won't load, please contact support using the buttons at the bottom of the page.