You don't edit with Premiere Elements, it is for video processing. Post your question to the Photoshop Elements forum and they will help you out.
You can access the Elements Organizer 10 from both Premiere and Photoshop Elements. To get your media into the EO10 use the File menu to access the options. You can also have EO10 monitor particular folders for new media, or you can just drag your media from the Windows Explorer into EO.
Insanity is hereditary, you get it from your children
Welcome to the forum.
As Neale points out, Photoshop/PSElements would be the ideal programs for editing Still Images.
If one is incorporating Still Images into Video with Premiere Elements, I would recommend this ARTICLE for some tips, and guidelines.