I need help improving my pictures?

Question

can anyone critique my photos, what i need to improve on and such? i need help deciding on two to enter in a competition too. one color and one black and white. i know they're all in color but i can change it to black and white in photoshop.

http://www.flickr.com/photos/22137261@N07/2481490931/

http://www.flickr.com/photos/22137261@N07/2481490929/

http://www.flickr.com/photos/22137261@N07/2481458533/

http://www.flickr.com/photos/22137261@N07/2481458525/

http://www.flickr.com/photos/22137261@N07/2481458517/

http://www.flickr.com/photos/22137261@N07/2481446205/

http://www.flickr.com/photos/22137261@N07/2481446199/

http://www.flickr.com/photos/22137261@N07/2481446193/

http://www.flickr.com/photos/22137261@N07/2481446187/

http://www.flickr.com/photos/22137261@N07/2481446181/

Answer 1

I love the green flower one and the chimney one...but they are all great!!!

Answer 2

Nice textures. Good lighting. Great colors. Could get boring after a while. Too many shots of similar subject.

Otherwise, good work.