.
.
Paint
each element of the drawing relating it to the others.
For example, with this toy frog its eye is in line with the end
of its foot. Look out for these types of associations. .
.
When
everything fits in well, you can amuse yourself by painting some detail,
but never before.
Try
to practice as much as possible, with all types of accessories. There
is no other way to learn, other than practice, you have to start training
your eye until you can instinctively capture the proportions.