it doesnt involve balls loltard.
You edited your original post because you're scared of more people hopping in the topic and finding that you really don't have any pictures and will pressure you in into posting your picture. Because you haven't posted your picture.
In the general public today the term "not having the balls to (verb)" is considered as the person is afraid of doing said verb because of repercussions or bad things happening to them.
You trying to cover up not having a picture = You being afraid of people pressuring you into posting a picture.
Thus, you have no balls.