It's cute.
:3
Except... I don't think it's quite Intermediate, sorry.
It needs more detail and correct horse anatomy. The colors could be better, and grass stalks should be more of them. You should try using layers next time you make a drawing, and instead of using the paint bucket tool, just normally color it in under the line art layer. C: I suggest using a reference of a horse (without looking at another person's artwork, of course) to draw your next one. Drawing on computers takes practice, so until you're REALLY sure that it's Intermediate, just keep it in Sketches and Experiments or Beginners.
Not trying to be harsh or rude, so sorry if I sound that way. D: