Wezzul.com - It's the Dinglez

# create the original canvas giving it width and height
canvas = Image.new("RGBA", (W,H))

# select a font (you need to have compiled PIL with freetype installed for the
#_imagingft module to be on the server. This is necessary for this process.
font = ImageFont.truetype("/path/to/ttf/font", size_int)

# setup image to draw text on it
draw = ImageDraw.Draw(canvas)
black = "#000000"

# draw text on canvas, using offsets from upper left corner
draw.text((25,2),text,fill=black,font=font)

newImg = someFileHandle
canvas.save(newImg, "image_type")
newImg.close()

#use this to get the skins directory
ps = getToolByName(self,'portal_skins')

# use this to add a new folder to that directory for your new skin
ps.manage_addFolder(skin_id, skin_id)

newSkinFolder = getattr(ps, skin_id)
path = newSkinFolder.absolute_url()

# get a set of tuples of all skins
paths = ps.getSkinPaths()

# these lines get the layers from Plone Default
defPath = paths[0]
defPath = defPath[1]

# add your new folder to the top of the Plone Default layers
defPath = skin_id "," defPath

# add the skin to the properties of portal_skins
ps.addSkinSelection(skin_id, defPath, 0, 0)