1. To add an image, click the Add an Image icon
   

   Add an Image Icon

2. You will see Add an Image window. Click Select Files button
   

   Add an Image Window

3. Select a file you wish to upload to your post. The WordPress Image uploader will upload the file to your hosting server.

   

   Upload in Progress

4. Type a title for the image in the Image Title text box.
5. Type the caption of the image in the Image Caption text box. The words you type here display underneath the image on your blog as a caption.
6. Choose an alignment option by selecting the None, Left, Center, or Right radio button.
7. Type the URL you want the image to linked to. You can leave this text box empty if you don’t want the image to be clickable.
8. Click the Insert into Post button. The Image Uploader window closes and you will return to Add New Post page if you are writing a post.
   

   Insert Image to Post

Related posts:

1. How to Insert a Photo Gallery
2. How to Personalize Your WordPress.com Blog
3. Refining Your Post With These Options