Image troubleshooting

gistfile1.json

{  
   "height":"150",
   "impression_group":"6ebbc172-57c8-4f24-968e-905e1a309bda",
   "analytics":[  

   ],
   "width":"100%",
   "cookie_syncs":[  

   ],
   "id":"5c74c904af1c101e1615e9ea94867295ed01b8237372eec5a210bd09146c80e7",
   "demand_sources":[  
      {  
         "bids":[  
            {  
               "bid":{  
                  "bid_amount":1.10562,
                  "bid_type":"cpc"
               },
               "creative":{  
                  "hash":"qfCIBjNrYWUDU4pXo3KYbg==",
                  "click_url":"http://bttrack.com/Click/Native?data=OuJifVtEKZqw3CQ5efotWrNTBusby1gdsXLB0UEji2WFnKdBAdP0ncFseydjcEZlTeaBE8MwLEvlVFznsBY6Ia1I9nydJqgKeiBYPTNjSArdE8xM77qU1kIUIhbzgDB9jDTzZepFjJPp4dwNZQj6lPvMa_yvfA_sNDqtSKLOxNoHcjYyRg_9Oq8oVukWuZ8oorz5eE1_zpMQF6fn_qf4OTGgS21YbtghmWSWjz748GsZDFSiehYGhPBIMzFT3G3Fq09pH2TrUkwN5MzfG2DIivYPh8wyx9ydScZrl7Wgu7Lrs5G516kzFJ3AD1mq8m6yz3mkDoCY0N61wslvTa7vE7Q4ElfIHc4OiFeywcnaoKY_IokpRCRZjia6J8trbTRFdlwq1Xk5_7il0",
                  "html_events":{  },
                  "json_events":{  },
                  "banner_url":"http://cdn.bttrack.com/li/1/1/124535",
                  "sponsor":"capella.edu",
                  "image_events":{  
                     "visible":[  
                        "http://bttrack.com/Pixel/Viewed/?data=OuJifVtEKZqw3BQm4x7tS7NSDoyTMvkZdjlneX7c3G6qGYrOXW3jDt7hwu5XdL0r7AkiVYK2Md0F5KgUq4PsUEtyQshUCnue9_Fzf33JP_Rq0mukRduc8iKwU1gRiwrruHg-ArOOLaR-MHIrpqH-z0pDeNEI92ugOFNULHDdDXl1Y75ud9oSt54N3DJ2FoDSk55nW_k3tk8_4VN9tlyPVwwlyRxvEejP5gvp1FX5HbsWWJt-zpEzvzbeEp91zUSoKtPK_pXi3Cp50sIdsSCXImWTJfCSPA75SnN-Mv2GZaUpR7ti5B0FQbXyB_wp328-6ZAa6xm1eJCqLHjtfw3uwnGggDYSvP3jQiKEDd8315e9C5_ACgTIeXo1&method=3&percentage=1"
                     ],
                     "load":[  
                        "http://bttrack.com/Pixel/Impression/?data=OuJifVtEKZqw3Awn-_7qS7NTDow7O3t0HAmjWTYELEoScMNh8m8hwzxmh1OiXeN-QSbCZX6FMCHLeIi90RRMAE_08Y1DH9lX9JkXoZq4Ot2Ei1ECUfPyZu9wLmO5iliewpoeBZUYBihHYHKtHiEWZUG2jzLo5QY3d_Z78rb91Jy_I5h4l9H_WiKILgxu2_8LYQCbHqhaeHkQdNbrzxRvBsajP1xgY3cwPJJO7x1bCobcttAIaIDAn_5plZKbsQQM9holMCekLJmzamEzMDf04qKWjnrmq0TDIc7S2OoxMA3BH15Ykpc230r4ZRGFcEmvEev-rHGLPl5Ja83WKPW0PaxhbnJzy1MjeRvO6vlW9W77U0kWHuQl0F61LYLZFD39I0pbz5aJsBHsD3ZVOMZvRNPvj0h_n7M8f4vMPBNvi_GFAeiExr9q1As1hlUgvQdPRnI14jPkbM2tmkbRshY5qtag38k11aqADw2&type=img"
                     ],
                     "click":[  

                     ]
                  },
                  "title":"The skill gap in analytics is a big deal.",
                  "javascript_events":{  
                     "visible":[  

                     ],
                     "load":[  

                     ],
                     "click":[  

                     ]
                  },
                  "description":"Do you have the talent to wrangle Big Data? See the infographic to find out how to capitalize on those skills."
               }
            }
         ],
         "bid_amount":0.3,
         "included_geo":{  
            "unDsIncludedGeographic":[  

            ]
         },
         "config":{  
            "image_height":150,
            "default_referrer":"http://rare.us",
            "num_links":1,
            "hmin":1,
            "account_token":"c3fe7972-62bd-4a5b-a0c8-21d51077b166",
            "wmin":1,
            "image_width":300,
            "keywords":"news, Technology, Arts & Entertainment",
            "min_cpc":"0.20",
            "iab_categories":"IAB12,IAB1,IAB3"
         },
         "excluded_geo":{  
            "unDsExcludedGeographic":[  

            ]
         },
         "rpm":3,
         "bid_type":"cpc",
         "type":"article",
         "ds_account_id":393,
         "media_type":"article",
         "techno_targets":{  },
         "theme":{  
            "min_height":1,
            "icon_height":75,
            "min_width":1,
            "advanced_style":"@import url(https://fonts.googleapis.com/css?family=Source+Sans+Pro);\nbody {\n    margin: 0px;\n}\n\ndiv#container {\n    width: 100%;\n    margin: 0 auto;\n    box-sizing: border-box;\n}\n\na.link-item {\n    position: relative;\n    display: block;\n    text-decoration: none;\n    overflow: hidden;\n    box-sizing: border-box;\n}\n\na.link-item div {\n    overflow: hidden;\n    box-sizing: border-box;\n    background: #f6f6f6\n}\n\na.link-item span {\n    display: block;\n    text-align: left;\n    box-sizing: border-box;\n}\n\nspan.link-image {\n    float: left;\n    width: 191px;\n    height: 150px;\n}\n\nspan.link-image img {\n    display: block;\n    width: 100%;\n    height: 100%;\n    object-fit: cover;\n    overflow: hidden;\n}\n\nspan.link-text {\n    margin-left: 208px;\n    color: #000000;\n    font-family: 'Source Sans Pro', Helvetica, Arial, sans-serif;\n    text-transform: capitalize;\n    font-size: 20px;\n    line-height: 30px;\n    transition: all, 0.3s, ease-in-out;\n}\n\nspan.link-text:hover {\n    text-decoration: underline;\n}\n\nspan.link-description {\n    display: block !important;\n    font-family: 'Source Sans Pro', Helvetica, Arial, sans-serif;\n    font-size: 13px;\n    line-height: 1.5;\n    color: #000000;\n    margin-left: 208px;\n    margin-right: 10px;\n}\n\nspan.link-sponsor {\n    margin-top: 40px;\n    margin-bottom: 19px;\n    margin-left: 208px;\n    font-family: 'Source Sans Pro', Helvetica, Arial, sans-serif;\n    font-size: 13px;\n    line-height: 1.5;\n    color: #000000;\n    text-transform: uppercase;\n}\n\nspan.link-sponsor:after {\n    float: left;\n    margin-left: 0px;\n    margin-right: 10px;\n    margin-bottom: 19px;\n    display: block;\n    content: \"Promoted By:\";\n    color: #BE1E2D;\n    font-weight: bold;\n    font-family: 'Source Sans Pro', Helvetica, Arial, sans-serif;\n    font-size: 12px;\n    line-height: 1.5;\n}\n",
            "banner_height":150,
            "max_height":2000,
            "icon_width":75,
            "max_width":2000,
            "banner_width":300,
            "max_title_length":150,
            "template":"<a class=\"link-item\" href=\"{{click_url}}\" alt=\"{{title}}\">\n    <div>\n        <span class=\"link-item\">\n        <span class=\"link-image\">\n            <img src=\"{{image_url}}\">\n        </span>\n        <span class=\"link-text\">{{title}}</span>\n        <span class=\"link-description\" style=\"display:none;\">{{description}}</span>\n        <span class=\"link-sponsor\">{{advertiser}}</span>\n    </div>\n</a>\n",
            "max_description_length":150
         },
         "provider":"bidtellect"
      },
      {  },
      {  }
   ],
   "impression_id":"1475872996-176751-63b0193a-e7a2-4409-ad37-2e2fa54d8d9f"
}