Sorry, but none of them. Bad lighting, a couple out of focus, the sunset is just a bit off with composition, and all of them just look like snapshots, not quality photography.
Try ubid.com for a Canon Rebel XT body. My boyfriend bought mine from there refurbished for only $300. It's in excellent condition and I've already done over 3,000 shots in about 4-5 months.
Since you're a beginner though I question whether you're even ready for a DSLR. They're not easy to use...
If all you're concerned with is the income aspect then it isn't for you. Photography requires you have a passion for it and a strong eye for creativity.
It's highly competitive with no guarantees you'll make it or make a lot of money. For some it can net a good amount of income. For others...
I started using GIMP but found it to be a pain in the butt to use and moved on to paint.net. Much better software to use. A little tricky at first but you can get the hang of it pretty quickly.