Okay, I get how to make a banner, but can I have some đường dẫn to apps on certain sites that make banners?

I use Polyvore. It's suppose to be about fashion and clothes but bạn can use letters and cool pictures, too. :)

Uh, I use photoshop. But if bạn don't have that then just use word hoặc paint *shrugs* I don't go all professional on these banners, I just keep it simple ^^
Good luck with ur banner-making :)

I use GIMP now, but Picnik does make banners. bạn just go to the collage maker and pick either the setting of how many pictures bạn want and mess around with the ratio until bạn get it to look like a banner shape. Then click tiếp theo when you're satisfied and then crop the bức ảnh to "800:100" and bạn should get a banner. It won't be fantastic, but it's a banner nonetheless. Hope that helped. :)