For those of us who haven't clicked already, these are very special days.
The Prophet (saws) told us that there is nothing better than the deeds done on these first ten days
"Not even jihad in the path of Allah?" A companion asked.
"Not even jihad in the path of Allah, except a person who leaves with his life and property and returns with neither of them."
So the only thing that can beat the good deeds of these days is dying a shaheed.
Think about it!
So....fast, give charity, pray, seek knowledge, teach, preach, enjoin the right and forbid the wrong, slay your nafs and hawa, keep away from evils, guard your tongue and eyes and ears.
There are some actions that have such a great merit, so how much more must they be increased in these days!
Here is one, subhanallah, that seems so appropriate for these days.
Go to the mosque for fajr and after the prayer sit in your place and say nothing except what is good.
After the sun rises wait until shurook (about 10-15 mins after sun rise) and then pray 2 rakat.
You will get the reward of an accepted hajj, Allah will expiate your sins and you will be like a new born baby.
Certainly Allah is best of those who show mercy!