kay going one by one!
1. The Lucario animation is interesting, but... really, the colour, it's just blinding. And the text doesn't match it at all. I'd say go for a darker background, but... I dunno, the background should've stayed transparent. And the text is just... not necessary.
2. The quality for the second one is terrible, is it just jpeg images placed together than animated? o_o; Again, text is kinda bad. It looks too dark, and blends in too much with the image, losing the effect, so it'd look much better if it was small white text placed in the corner or something, although the quality, and even timing of the frames just ruins it.
3. I like this, it's a lot different to your others, however the text just ruins it, just place the text in a small, fitting location (generally over no image), not over the images.. it's just... no.
4. Quality... doesn't look too good. Maybe sharp-- hmm, yeah not sure about this, but I don't like the text either.
5. oh God, jpeg-quality ;; -- actually, I noticed most of your images are jpeg, that's really bad. Start saving them in png, it'll make them look better. But yeah, text colour = no. And... the other images pasted on without trying to blend them, it.... it hurts. D:
6. I don't like the.. double text thing, or whatever you've got going on, it's kinda blinding. Also the stars are kinda... yeah
7. Recolouring pkmn isn't... good, and the background is kinda bland, maybe add in cd4's or something. And, text = no no. :(
But yeah, maybe you should try some tutorials, though as a beginner, these are fine... but, if you want to get better, then try some tuts, and change how you do your text, please. XD;