To embed a GodTube video in a post, locate a native video that allows embedding on GodTube.com (example).
Click the gray embed button and copy just the iframe from the code.
The code beginning with <iframe> and ending with </iframe>
For example:
<iframe id="gt_embed_gwywwpnx" width="728" height="408"
aspectratio="16:9" frameborder="0" scrolling="no"
src="https://www.godtube.com/embed/watch/gwywwpnx/?w=728&h=408&sl=true"></iframe>
Paste this code into your post and it should render like this: