Some interesting things that you can download are:

1. Jamsetji Tata's letter to Vivekananda, one footstep towards the formation of IISc: (here)

2. Swami Vivekananda's talk in world parliament on religion (here) and his talk on why we disagree(here)

3. Amazing illusions(here)

4. Great India (here)

(Note: I have received most of them by E-mail, so I am not sure about the source or authenticity and I am not responsible for
any legal issues. If you think any of this is not to be here, let me know I will remove it immediately.)