Text brushes

Hi,

I've got the general idea of how to make the text brushes, I just need a little tweaking of the procedure. I use PS7. Here's what I do: I open a new image 200x100 and type the text in a large thick font, define the brush etc. I want to make the text readable. To test the new brush, I then open a smaller image 100x100 and minimize the brush I just made to fit the 100x100 image. My problem is that the brush comes out rather faint and blurry. It probably has something to do with the resizing. I've seen brushes that are big and bold in the 100x100 size, while mine are faint and tiny. Any suggestions as to what I can do differently? Thanks kindly!