i agree with everyone, your pics are so cute.
have you ever tried contouring? i think using a contour and a highlight color, including your blush color, will help you figure out the best place to wear your blush. i know i like my blush best when i have time to contour around it.
the way you contour depends on your face shape. since none of your pics are straight on, it is difficult for me to tell for sure what shape your face is; i'm betting round but it might be heart shaped too.
on this website at the bottom, it has diagrams for how to contour each face shape. the diagrams are very good. using them as guides, i drew in highlighter, blush, and a contour shade into your pics. i did one following the round diagram:

and one following the heart diagram:

you can tell the contour and highlight are placed in very different spots in each one, and in the heart shape the blush is placed a little higher on your cheek. you can experiment to see which one works best for you.
if you want to be very scientific, you can measure your face to try and figure out exactly the shape. lots of websites describe how to do this, here's one as an example.
have fun! i hope this helps. i suggest angel glow as an excellent highlighter!! for contouring, you can use a bronzer type product or a shade of foundation a bit darker than your usual.