Hey tumblr! Just a young fitspo trying to motivate and grow. Following back similars! Training Dojo
1. On the Customize screen turn off the Use default mobile theme option under Advanced Options. 
2. Remove the stash logo from your website by getting a Full License.
3. For the Instagram feed generate your Access Token & User ID here.
4. If you still need help check out our help section or the theme documentation.