Here is a cute idea for a slide: negative lettering space. has a full tutorial how to create this effect here. It is easy to copy in PowerPoint: start with a word in a huge font on a page, set the font color light grey (or another color with a light contrast to your background), fill the page with the images you want, and as a final step delete the text or color it the same as your slide background.

Here is a search for earlier posts with a "can't see the forest through the tress" type of concept.

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.