new_contents: from PIL import Image, ImageDraw
  
  import random
  
  W = 500
  im = Image.new('RGB', (W, W))
  NCOLORS = 19
  COLORS = []
  
  def get_origin_point():
    return [random.randint(0, W-1), random.randint(0, W-1)]
    
  def get_vector():
    return [random.randint(0.3*W, 0.6*W), random.randint(0.3*W, 0.6*W)]
  
  def draw_one_line(draw):
    op = get_origin_point()
    vec = get_vector()
    tu = tuple(op + vec)
    for i in range(NCOLORS):
      draw.line(tu, fill=COLORS[i], width=NCOLORS-i)
  
  def draw_lines(draw):
    for i in range(30):
      draw_one_line(draw)
  
  def init_colors(ncolors):
    v = 255.0
    for i in range(ncolors):
      COLORS.append((0, int(v), 0))
      v *= 0.80
    COLORS.reverse()
  
  init_colors(NCOLORS)
  draw = ImageDraw.Draw(im)
  red = (255, 0, 0)
  draw_lines(draw)
  
  im.save('f.png')
  
  
subject: Add crude script to draw glowing lines; currently the dark part hides other lines, making them look physical; should be additive