“Ambience 3-d constructor” – is a perfect tool for generating 3-d illusion slide show using flat images. It’s well organized and friendly for user AE template.
You can easily change the text colors and opacity, vignetting, light leaks, color grading in some clicks. 
Pre-made slideshow included
Slideshow+Constructor

File Features:

• After Effects CS5 and above
• No Plugins required
• Full HD, 1920×1080
• Duration 0:59, or unlimited using constructor
• 12 - Photo/Video placeholders
• 21 - Text placeholders
• Video tutorial included
• Light leaks footage included
• Change text color in one click
• 3 color grading presets
• Customize effects in few clicks
• Image not included you can find it here: https://unsplash.com/
• Free fonts links inside
• Music not included