alvin borja wrote:
How would I make my own slide-showing images for the photos of my users
By coding! If you are totally unaware where to start from, try CodeProject Search. There are articles that show how to use/make a slide show of images. Customize it based on your needs. You can look at jQuery plugins too.
alvin borja wrote:
How could I make graphical tools for my user to create graffiti like designs for their profile page
Again, same answer! Google and see the results.
You need to
TRY first. Once you are on it, if you face issues while doing it, post them!