It's nice work, congratulations! As someone else said, leveraging Blogger templates is a great idea.
All PHP + MySQL?
Curious to know if 'orgu' indicative of the target market, university groups? Or am I reading too much into those four letters? :)
I think your greatest challenge will be breaking out of the huge array of similar and seemingly-similar products out there. This is a battle more likely won by marketing than technology. Find that niche, attack it, dominate it, and you'll do well.