How to become a tumblr girl?

So I went on instagram and I see all these girls have these perfect pictures… And I know they use a Nikon or Canon camera… But i don't have the money for that and I was wondering if you are able to with a 8mp camera on your smart phone… So far I've taken two good quality pictures for my instagram that look tumblr girl-ish… Any ideas?

Hair: straight, curly,
clothes: edgy, comfortable{sweaters, seeatpants}, maybe a little girly
photo: nikon, canon, sony, but since you said you don't have the money for that, iphone or iPod touch but make sure if you use an iPhone or iPod you have GOOD LIGHTING!
editing: afterlight {0.99} symbol gram{free} pixlromatic{free} superimpose{0.99} -you don't need to get them but suggestions
makeup: bb cream for blemishes|mosturizer, mascara, eyeliner on top { a little bit }
if you're taking pictures in your room have like posters or Christmas lights in the back. Hope I helped'