Plant ID help
 

I got a few plants last week that I am not sure what they are, the petsmart I was at was redoing their aquarium section and trying to get rid of their stock so the lady threw extras in. I believe they are some kind of abubias and crypts but info would be great. I got some flourish, and am curious if I should also do root tabs for some of these plants as well as the liquid.

this one is the one in the background which has very long stems and leaves on the top
http://img.photobucket.com/albums/v3...729_152922.jpg

short purpley leaf plant
http://img.photobucket.com/albums/v3...729_152928.jpg

i think this is some kind of abubias
http://img.photobucket.com/albums/v3...729_152858.jpg

shorter, green and traingly/wavey leaves
http://img.photobucket.com/albums/v3...729_152908.jpg

as a funny aside, I found one of my MTS on my floating wisteria today, really unsure how the little dude got up there lol.

The second and last pics look like crypts. First one might be a crypt wentii red. The last on just a crypt wendtii green variety. Could be wrong just looks like it to me.
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Thanks!
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Photos 1 (the plant on the left) and 3 are swords, Echinodorus species, can't say which exactly as I cannot see the leaves well. Photos 2 and 4 are Cryptocoryne species.

thank you, much appreciated :)