Hey @igwentertainment, sorry for the late reply. I really enjoyed your entry.
To upvote just click the arrow that is under every post/comment 
Which link are you referring to? Also who do you vote for? Each participant has a right to cast 1 vote for who he/she thinks shoud win. Browse through #photochaincommunity and pick your favourite. Leave his/hers entry here.
Thanks @runicar for getting back to me. However I was able to figure it out: the upvote thing. And I voted @razipelangi. My comment on his submission is next to his Post. Hope I did it right? Thanks again.
thanks for your vote buddy @igwentertainment
You're welcome, brother!