What You Need.

The font is 'Porky's Bold' you can find it on 'dafont.com'

Once you save the photo open your gimp > file > open > Pictures

It should be like this now and click create new layer.

Next we are going to get the girl and size her to this number down here then place her in the middle.

Now we are going to use our font by selecting the "A" on the left and choose "porky Bold' and you can put whatever.

The size for the font is 342 you can choose any color.

Now were going to right click on the text that is at the side and selctet alpah to selcetion

Now where your colors are make sure you chose 2 but are kinda similar i will do light pink and lighter pink.

Results: