Your task is simple, draw yourself and your horse searching for the flower! Here is more info about it:

Eternal flower

Though it's 1,5 feet (45 cm) tall this flower is really light. Male flowers are golden or fire-like colored, females are pure black. However, when they've got seeds they start to glow white from inside of their closed corolla for short time. You can gather both, males or females, but females are better (and harder to find).
Eternal flowers grow in deep swamps - mainly in the Black Water Swamp - or in high mountains (you can try and search). They look a lot as big lilypads. Their corollas are open at night or evening and closed during day.

And here is map for those who can orientate in it:
Map

Danger

Sure it's a bit dangerous. What adventure it will be without danger? But yeah we want you to come back alive so here is the list of things you should be careful about. 

Hiaah* Swamp Snake 
(Hiaah was the sound Mortam did when this snake bit him, that's why. Now you know the truth O.-)
2 feet (60 cm) long snake with massive jaws. It's body is dirty green and almost invisible in swamp. When you see this snake, don't go closer - he lives in the deep mud that is dangerous for you. ("Also his bites hurts as hell, even worst," said Mortam.)

Siren Lians
Special kind of lians. They are parasites working on the same principe as spider does. Once you get stuck in them (and it's pretty easy becouse of surface of their leaves) they will eat all your energy. These evil plants will make nice sounds to lure you - that's why Siren. 
Just stay away from them and you are safe. Caution! Don't try to eat them, they are poisonous.

The Swamp-men Tribe
Aborigines or some kind of peoples that goes crazy and run back to wildness. After all what else can be human living voluntarily in the swamp, right? They may act friendly or maybe want to taste your meat. If you want to be the one who will find out then you are welcome, but I'm recomending you to keep great distance between yourself and any of them.

Coat

This is kind of side quest but you can get additional reward for bringing it back! 
Mortam forgot his beloved green necromancer coat in the swamp in a tree somewhere in swamp where he hid it. And he want it back! Good reward for anyone who will rescue it and take it back to him...

How should this picture look?

There should be your horse and his rider + the flower. They must be in swamp or in mountains. It's also possible to draw how they bring flower to Thalia Lestat. In that case you must feature her in picture! 
Otherwise you can use your imagination! Make entry as epic or funny as possible, originality is huge +.

Prize