Alex, these pics look great, nice ideas! =)
For some artistic effects without actually editing the photo you could work with some different perspectives. Get conscious about the golden ratio, experimenting with certain angles or different line-ups (forground-backround), venues and clothes (I like your ideas since venues, actions and clothing also reflect an attitude) of your band can make it look very professional.
Here are some ideas:
Great pics and ideas Alex!
PS: You live in Oklahoma? I always see those kind of living places in TV shows...looks so home-like, so "warm", awesome!