How can we put an image on a post?

How can we put an image on a post?

well the title says all if ya know let me know please

Use the [ img ] tags, and put a URL in between them.

Therefore you need an image-server where you could upload your images.

The bigger the image, the longer the load.
www.uploadit.org

Wow, all he asks is how to insert images, and people are already giving him servers...