Welcome! I went to your site and you have some nice images, but your copies aren't really good enough for FAA to print them, if sold. You have shadows, hot spots and 1 image that needs to be rotated and the artwork needs to be cropped so you can't see the past the canvas. FAA won't print images like that.
Some of the images have movement in them, from when you tried to copy them and you didn't use a tripod and the shutter speed was way too low. Also, you need to have some keywords, words that describe your Art and things people might search for, "angels, wings, boy, blue water,etc. No one will ever find you without good keywords.
I hope I didn't ruin your morning!
Do some searches on this forum for copying art, I have a few here and there are many more. When you have some good copies, then try and find other artwork, similiar to yours and see what keywords they used and how many,etc. and then start with yours!