Here are some tasks specific to the AVR Eclipse Plugin. Please refer to the C/C++ Development User Guide of the CDT Plugin for tasks not specific to the AVR Plugin.
Preferences
AVR Path Preferences
Projects
Upload Project to Target MCU
Properties
Change Target Hardware Add / Remove AVR specific Tools from the Toolchain
Change Target Hardware
Add / Remove AVR specific Tools from the Toolchain
Views
Using the AVR Device Explorer View Using the AVR Supported MCUs View
Using the AVR Device Explorer View
Using the AVR Supported MCUs View
Other Tasks
Update AVR Projects from older plugin versions Automatically save before build
Update AVR Projects from older plugin versions
Automatically save before build