Because I'm always writing such weird stuff, I bet it's hard for people to comment!
Literal
Always strange things only writing [progressive-てるもんだから], surely comment-hard [copula-んだわ]!
妙ちくりん 'weird / bizarre / offbeat' is a playful, slightly old-fashioned adjective. ばっかり is the casual contraction of ばかり 'nothing but.' もんだから is the casual causal もの + だから. しにくい uses the ~にくい suffix for 'hard to do.' んだわ is the feminine explanatory ending. The speaker self-deprecatingly explains why nobody comments on their blog/posts.