Is there any way by which we can provide hyper link as alternative text to images. Means if an image is disabled then a hyper link is displayed! Please help me! Its urgent!

sorry for that...

can u please tell me more about them like how to get them and so?

hello friends,
i hav my very own forum but its hosted in a free hosting site called invision.. now i hav my own webspace and i want to have my own forum in that webspace.
i don kno how to start...