xaxtsuxo.py generates wonderful powerpoint file. it depends PIL and python-pptx.

xaxtsuxo.py

import Image
from urllib import urlopen
from cStringIO import StringIO

from pptx import Presentation
from pptx.util import Inches, Px
from pptx.oxml import _SubElement, qn


def set_textbox_bgcolor(textbox, color):
    spPr = textbox._element.spPr
    noFill = list(spPr.iterchildren())[-1]
    spPr.remove(noFill)

    _SubElement(spPr, 'a:solidFill')
    _SubElement(spPr[qn('a:solidFill')], 'a:srgbClr')

    color = "%02X%02X%02X" % color
    spPr[qn('a:solidFill')][qn('a:srgbClr')].set('val', color)


def put_pixel(slide, x, y, color):
    N = 4
    textbox = slide.shapes.add_textbox(Inches(0.5) + Px(x * N), Inches(0.5) + Px(y * N), Px(N), Px(N))
    textbox.text = ""
    set_textbox_bgcolor(textbox, color)


def load_image(url):
    return Image.open(StringIO(urlopen(url).read()))


def image_to_pixels(image):
    _, height = image.size
    for i, color in enumerate(image.getdata()):
        x = i % height
        y = i / height

        yield (x, y), color


def main():
    url = 'https://si0.twimg.com/profile_images/2259615760/__________2012-05-29_14.45.07_bigger.png'
    image = load_image(url)

    prs = Presentation()
    default_layout = prs.slidelayouts[1]

    slide = prs.slides.add_slide(default_layout)

    for (x, y), color in image_to_pixels(image):
        put_pixel(slide, x, y, color)

    prs.save('xaxtsuxo.pptx')


main()