“Ambience 3-d constructor” – is perfect tool for generate 3-d illusion slide show using flat images . It’s well organised 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 click