Images serve as strong links to your content. Your ability to choose and use the correct image can mean the difference between audience comprehension or audience confusion. Aligned images allow your participants to walk away with a visual mnemonic, providing them with a much needed memory boost.
RULES to REMEMBER
Use high quality images
Go BIG or go home
Clip Art is for the BIRDS
They should MATCH your talk
Follow the link below to read Garr Reynolds great post on Inexpensive and Free images.
