Adobe Premiere - Work with image files
Import and edit photos and graphics using the Media Browser panel.
What you learned: Add images
Add photos to a sequence just as you would add video clips.
If you import a PSD file from Adobe Photoshop, you can choose which layers you would like to import.
You can change the still image playback duration from its 5-second default length by choosing Edit - Preferences - Timeline- Still Image Default Duration (Windows) or Premiere Pro Application Menu - Preferences - Timeline - Still Image Default Duration (macOS).