Its similar to @steemhunt, you need to author you article via their interface at tasteem.io. but first you need to be whitelisted to take part as they had a lot of abuse the first time around (2 months ago).
I would suggest you apply for the white list, but tonight take a load of pictures, and do your write up saving it for later.
They give you a nice up-vote just for posting and if you finish in the top ten after the contest finishes another vote of $20. Its worth the effort.
They do grab a full vote off you every time you post.
The current one is:
Ah, thank you - I knew there was something that wasn't quite straightforward! Good idea to take pictures and save the write up.