a basic mouse pointer that i created in pixel format.
primary color controls the outline, sub-color controls the fill. made at 350 dpi. i'm not actually sure if that matters, but mentioning it just in case it does.
important: this brush can only scale in increments of 24 px. it will break if it isn't. however, you can still use it in both true pixel art and faux pixel art, you just have to do a little math first. multiply 24 by any number to get the size that fits your needs best.
i wouldn't recommend rotating or scaling it with the transform tool, but you do you. clear edges/bicubic interpolation will give it aliasing and lose the pixel effect, but will be less broken. hard edges/nearest neighbor will maintain the pixel effect, but will break the lines.

have fun! i'll be doing more variations of these eventually. probably.