For the second one, i wouldn't rate it but i'll give you some tips:
1. Do not use different kinds of colors in each text (It will never suit the background unless you use the colors that are in the background).
2. Do not just put text anywhere on the background (signature) - You have to know if it suits it or not, if does well then great job, if it doesn't, boo ya! Its gonna look ugly.
3. Always, pick the text that will look perfect on your signature, not just any old solid text.
4. Always, keep your text readable, i couldn't read the green glowed text until i saw the 'AMB' letters then i knew what you were talking about.
Just so you know, you picked random colors that don't even match the background! You have got to know how glow effects should go with plain backgrounds (especially the current one you got up there), if you don't then i could teach you a lil' if you want. Okay, there's a quite few more tips i was gonna type in but i guess this is enough information (tips) for you to understand the good and the bad about your signature, by the way, i love the middle text, well, that one does a little bit good for a background like yours. Good job mate. Keep up your work! (I GUESS I ONLY GAVE YOU SOME TIPS ABOUT TEXT HAVEN'T I? LOL)