First option : Enable Image Insertion in Gmail To turn on Gmail's Insert Image button: Follow the Settings link in Gmail. Go to the Labs tab. Make sure Enable is selected for Inserting images. Click Save Changes. ///////// Position the text cursor where you want the image to appear. Click the Insert Image button in the message's formatting toolbar. To upload an image from your computer: Make sure My Computer is selected. Click Choose File and open the desired graphic. You can click Choose File again to add another image while others are already uploading in the background. Make sure the desired image is highlighted. To use an image located on the web: Make sure Web address (URL) is selected. Enter the image's URL under Image URL. Click Add Image.
Thank you i got it. i did same what u said. that is Follow the Settings link in Gmail. Go to the Labs tab. Make sure Enable is selected for Inserting images. Click Save Changes. thank you very much