Please I need big help about softness of the brushes!!!

[Fes]

Try the Liquid Ink brushes - either the Fine Point or Smooth Round Nib. The Liquid Ink pens need their own special layer (the type with the ink droplet) tho one will automatically be created once you use the pen. You must not convert the layer to a normal default layer if you still want to work on it. You need to use the Liquid Ink Eraser (not the normal ones) to erase the a Liquid Ink brush. Photoshop .psd format will automatic convert it because it doesn't use this type of pen. But it's very good for inking as it is not anti-aliasing and is more like a vector - although it isn't. If you take the image into photoshop afterwards the line looks nice and smooth. Smoother than it appears in Painter weirdly.

If you don't like that try the Oils brush Detail Oils Brush. If you want solid black (ie not going from grey when the pressure is light) go to the Brush Creator and under General turn the Opacity Expression selection to None (don't tick the box at all).

Hope that helps.

If you don't want a brush to react to the grain of the paper go to the Brush Creator, under the General tab, change the Subcategory to Soft Cover. This will turn off the grain. Or turn the Grain to 100% - which means solid.