Google recently launched its new version of android OS name of android L (expecting Lollipop) only for developers (android L developer preview) for nexus devices. Here is the latest wallpaper of android L system image extracted from nexus devices after updated to android L preview tool.
Download Android L Preview stock default HD wallpaper
This wallpapers pack has collection of 10 default images for android L fans to setup homescreen wallpaper in your android devices even in gingerbread, honeycomb, ICS, Jellybean, Kitkat smartphone and tablet devices without rooting and installing apk file.
Android L default HD wallpaper (file size- 13MB)
Lets wait for next updates for Google play services 5.0, Playstore pk, Keyboard, fonts, Ringtones and alarms, Boot animation from android l stock image.