Here is a sample of the use of an image tag with an alt attribute pop-up window. Notice the image can be sized. In this case the image is sized to 146 by 56 pixels
Here is a sample of an image that has hotspot links. It is generated with various image map tags, attributes and xy coordinates. You can view a full working sample of this image map by clicking on the wisconsin hotspot. Notice the target="_blank" attribute causes the link to open in a new browser window.
Here is a sample of a link to a video file... "The fastest barbeque lighter in the world - George Gobel
Click on this image to listen to some music.
For further information regarding HTML images, check out http://www.w3schools.com/html/html_images.asp
For further information regarding HTML links, check out http://www.w3schools.com/html/html_links.asp