The first one is vintage. I put a yellow color by adding a filter to the photo, and i adjusted the colors using curves. The second one is the grainy one. I added a smart filter and then used the noise filter. It is suttle but makes a difference. The last one is the high contrast. I adjusted the vibrance and hue & saturation and also used the curves. I like the vintage and high contrast ones the best. The grainy one just looks bad to me.