I want to make a presentation with python-pptx with 3 pictures in a row on each slide. from pptx import Presentation from pptx.util import Inches height = Inches(3) #size top = Inches(0) #y-position img = 'image001.png' prs = Presentation() #create presentation blank_slide_layout = prs.slide_layouts[6] #define side layout for j in range(0,5): slide = prs.slides.add_slide(blank_slide_layout) #add slide left = Inches(0) #x-position for i in range(0,3): pic = slide.shapes.add_picture(img, left, top, height=height) left = left+height prs.save('test.pptx') This here is working but i want to understand the placeholders. I need first to fill the first (left) picture at each slide and jump back to the first slide and all second (mid) pictures and the same for the third column because i am loading the pics from a txt-file. The txt file look like pic1a pic2a pic3a pic1b pic2b ... and i need the pics in the presentation like pic1a pic1b pic1c pic2a.. pic3a... How can i add placeholders and jump to them. The manual is not helping me. Continue reading...