If you are looking for a way to batch resize many pictures at the same time with just 2 easy steps, you have found the right tutorial. I found a way by blogging on Internet to add resize and rotate option to your right click and have it always there right beside your hand ;-)
Installation
To add this functionality we’ll need to install the nautilus-image-converter package:
#sudo aptitude install nautilus-image-converter
Use
Before you’re able to use this functionality you’ll need to restart nautilus or simply logout and back in. You’ll now be able to right-click on any image on your machine and you’ll see two new menu items:
"resize images"
"rotate images"
Check out the screen shots down here ...
You can also choose to resize by percentage or by exact dimension.
Source : Modifed but direct tutorial from Ubuntu Tutorials Dapper
