Resize CCLabelBMFont

Hey there,
I just want to know, if there is any way to set CCLabelBMFont font size? Now, I’m using this:

    timeLabel = CCLabelBMFont::labelWithString("Time: 0:0:0", FONT_BM_32);
    timeLabel->setScale(0.47f);

but this method scales the label in a kinda ugly way (not smooth). So, in this case, should i generate different .fnt for every font size, i want to use? Thank you.

so nobody use CCLabelBMFont…?