for conveying announcements/events and directing the visitor to more information.
for marketing some aspect of your program.
for showcasing achievements or work with links to more information.
to emphasize something you already have on the page.
sparingly. Don't just throw up pretty pictures.
Try to keep your slideshow to no more than five images. In today's world, people are looking for information quickly and may not wait for a slideshow to cycle through all the images to find the one they want.