Use APKPure App
Get Picasa for MultiPicture LiveWP old version APK for Android
Show Picasa Web Album for wallpaper.
Plugin for MultiPicture Live Wallpaper to show pictures from Picasa Web Album/Google Photos.
This needs MultiPicture Live Wallpaper v0.5.1 or later.
Features
* Get pictures from your own album (need account)
The source code and previous versions are available from web site.