###Grab Past
What am I doing just now?
Did I just keep watching YouTube for 2 hours?
Grab Past is a simple idea to solve this. It will grab your screenshot, and set it to your desktop background.
It's easy for you to monitor yourself! :D
#####Environment Linux dabian 3.2.0-4-amd64 #1 SMP Debian 3.2.63-2+deb7u2 x86_64 GNU/Linux python 2.7.3 Gnome Version 3.4.2
#####Settings Important
mkdir <your directory>grab_past
cp grab_past.py <your directory>grab_past
sudo gsettings set org.gnome.desktop.background picture-uri "file:/<your directory>/grab_past/wallpaper.jpg"
#####Dependencies pyscreenshot
pip install pyscreenshot
#####Example python grab_past.py
It will grab screenshot with 5min interval
python grab_past.py 180
It will grab screenshot with 3min interval