I am definitely far from a professional photographer, but I thought my photos were pretty decent. However most of them are getting rejected for "image quality". Here are a few of my favorites that were rejected, can someone tell me what is wrong with them?
There are a number of problems with your images, unfortunately. All your images are underexposed - they are too dark, they seem to be out-of-focus and you have no point of interest. There is no focal point for the eye. There is nothing to hold the eye's attention.
Although this is brief, you should have a read of Adobe's guidelines on submitting photos: