i think you should charge more, and add better descriptions. i would add keywords that related to the locations if there are mountains and such.
for example, all your keywords are generic. the description, that is your keyword, try to describe the lighthouse better, put it in your language and english.
watch your compression, i see a fine compression issue in the sky, looks a bit blocky, it should print though.
method wise etc all that looks fine, the keywords are important though, you want to not be generic, and point out locations, put them in your own language etc. the more unique it is, the higher your chances are to be found. maybe be a bit more wordy in your bio as well.
---Mike Savad
http://www.MikeSavad.com