i'm osrry these are just well...bad.
please before you start spriting read a tutorial. i'm glad you knew to have it saved in PNG, but still these sprites beg for help. they plain out scream in agony.
first off your mixes are WAY too busy. the first one is really just a mess of odd parts. start with two pokemon and slowly work them into each other. make them at least identifyable (sp?). the second mix is also strange. in this one i can see the milotic and the ninetails, but wow, what happened? a ninetails tumor..? a messed up milotic tail? try working both of them into each other. recolors and other goodies.
the scratch. hmm well judging by the blinding colors, you used paint's colors and not your own. that's a no-no. the outline is really just here and there. make it consistent and not all black. add some shading or more noticeable shading.
well since you are a beginner, i understand some of the mistakes you made, but please, please read a tutorial!