Work in progress [suggestions and pointers plz]

[Dragnskull]

i been working on this off and on for about 3 months now, [off being about 2-3 weeks in between work]

ive finally gotten back into it, this was something iw as practicing photoshop with and i REALLY am very beginner w/ PS, so if anyone has any pointers or suggestions [PS wise or with the general drawing of it] please feel free

http://img135.imageshack.us/my.php?image=tmntzw6.png

[Kaneda]

Uh sorry i can't help as i don't have PhotoShop.I'd like to say that it's a cool picture though and hope you post the finished result.Oh yeah...I like Raph's pose it seems so...........Raph.

[Dragnskull]

one thing i would raelly like to know: can someone PLEASE tell me how to draw a strait line in photoshop? i know in paitn you can just use the line tool or whatever and make strait lines, i cant seem to locate that option in photoshop...