you can print it, scrawl on it with crayon and then scan it again for all i care, as long as you have a go :)
It's fantastic for a free program and doesn't use half the space.
you certainly don`t need a plugin for text, that`s absurd.
I've always put off getting Photoshop because of the size of the file, and i've heard people download tons of add ons for it (text, etc..) and just sounds like too much space for my computer. I've just found a 55MB version though, so might give it a try.
[Link to download Photoshop]
We all know you can get a pirate version, no one actually buys it. I went out of my way not to mention that, due to legal reasons. You could be banned.