Ummm, your question isn't one thats easily answered. First I will answer your second question: Creating dynamic webpages is relatively straightforward but, by you simply asking that question, I am going to assume that you have absolutely no background in web development.
All of those pages will help you along. And to answer your first question, yes it is possible to use ASP to display dynamic images but I suggest that you get started on the above links before you get into dynamic images.
"The one language all programmers understand is profanity."