From my deviantart gallery, here are some of my Cosmo and other Seedrians artwork.

I can only offer links, the image option doesn't work.

Cosmo the Seedrian: http://dragontamer272.deviantart.com/art/Cosmo-the-Seedrian-90884559

Female/Petali Seedrians in Kimonos: http://dragontamer272.deviantart.com/art/Female-Seedrians-in-Kimonos-126444342

Zelkova poses O.O: http://dragontamer272.deviantart.com/art/Zelkova-poses-O-O-131095880

iCosmo: http://dragontamer272.deviantart.com/art/iCosmo-37547718

If Cosmo could reach the vine: http://dragontamer272.deviantart.com/art/If-Cosmo-could-reach-the-vine-53803885