"You can pick up your adventuring potion for only $2.99, (look at that handsome price tag!) don't go adventuring without it!"
Not 100% done and it may look a bit messy at some parts but I need to submit it if I want to meet the deadline :(.
I should also probably own up and list my inspiration/references
1: http://www.pixeljoint.com/pixelart/58765.htm (the tree is very similar, maybe if I dither the leaves some more it won't look so similar?)
The preview was sorta rushed due to me wanting sleep :C, I'll try to maybe edit it later tomorrow or something.
A massive thanks to all the people over at Challenge Forum for helping me out!
Sidenote: So much dithering x_x . And curse you muxaun for picking such crazy colors! :P
EDIT 1: Made the bottle less lopsided on the left side but at a cost of it being symmetrical. Suggested by Dr D