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Thank you for your advice, I will keep it in mind. I have a lot of photos, just did not know I should add more of them.

The more the better. Suggest you visit his blog which comes out daily and features 5 posts everyday which they curate manually. The chosen posts usually have travel topics with lots of pictures. At least you get an idea what it takes to get curated, which I believe your post on Malta should have been even with just a few pictures.