Many stock images lack sufficient white space for text. Stretching an image distorts the proportions.
A trick to get around this problem:
  1. Copy the image
  2. Crop a small strip at the top of the image
  3. Flip the strip
  4. Stretch the strip only

If you liked this post, why not subscribe to daily updates about presentation design via email? Just blog posts, no spam, or you can follow Jan on Twitter to never miss a thing.