Twitter has a set of features that allow you to make a clickable photo from your Twitter posts. In order to activate this, you'll need to make sure that dlvr.it is not sending over any images.
To do this, follow the steps below:
1) Go to your Feeds tab and expand the feed in question
2) Click on Settings
3) Click on Advanced
4) Toggle off Enable Photo Posting
5) Save
6) Click on the Gear icon next to your Twitter account
7) Click on Advanced
8) Toggle off Post as Photo
9) Save