Its very simple to upload photo gallery !!

What you have to do is as below 

1. Upload your photos to either google plus or picassa and make the album public

2. Provide the album ID and user Id to submissions@nihonindians.com

https://plus.google.com/u/0/photos/103551889333283397046821/albums/6054121338228621585?sort=1 

In above example red marked is the userid and blue marked is the album id