Verb conjugation of "herunterfallen" in German

The current situation in Libya is really difficult. I tried to get in contact with acquaintances, but all the phones were not working. I'm really concerned about their well-being. I'll try again later.
I am sending you my e-mail address. Then I can write in German and send it to you faster. Please send me pictures of your children. I love little kids, they are always so sweet and innocent.
When I wanted to do my homework, I accidentally landed on Vocabulix and it caught me right from the beginning. Connecting with other users can be brilliant. Skyping with them, chatting and messaging. Great idea.