Blackberry Application (Generate an image from text)

I want to have a blackberry application like the one in the following webpage [login to view URL] the application simply Generate an image from text (words) you supply. You then download the image file. You can have text up to 500 characters; size (width/height): between 25 and 1500 pixels; format: one of several popular formats - GIF, JPEG or PNG; font: the size of your letters in a range from 6pt to 24pt (6 point to 24 point); colors: the forecolor (color of the letters in your text) and backcolor (background color behind the letters). please if you are not a blackberry expert or not willing to keep up with our budget which is 250$ as max don't apply thanks