I like how the pipe frames the flower, but the seats are more appealing to me. I don't know if it's the girl in the background or the colors. Maybe if the colors in the pipe image were more saturated making the image pop more the way that the seats pop and draw the viewer in.
Nice use of curved lines (with repetition) and bright color in the top photo. Bottom photo is a nice frame but would be even better if the background was simpler. Was there any way to get a lower angle to have nothing but blue sky behind? Anyway, good use of lines and angles.
I love the seat pic because of the colors...very cool to look at