(https://rmrk.net/proxy.php?request=http%3A%2F%2Fwww.geocities.com%2Feight_ball_comics%2FGundam.gif&hash=a19c292758b070ac81c32f6919e6c4891df94c0e)
Loads here:- http://www.rpgclassics.com/shrines/snes/msgcd/sprites.shtml
They have some nice one here:- www.charas-project.net
(https://rmrk.net/proxy.php?request=http%3A%2F%2Fsdb.drshnaps.com%2Fsheets%2FMedia%2FOther%2FGundam%2FSandrock.png&hash=e982cef42dafde318291933f93be04f04af6ce45)
(https://rmrk.net/proxy.php?request=http%3A%2F%2Fsdb.drshnaps.com%2Fsheets%2FMedia%2FOther%2FGundam%2FHeavyArms.png&hash=e7a59a4dd8bcf08c4a81461b3a9a9a013446c12f)
(https://rmrk.net/proxy.php?request=http%3A%2F%2Fsdb.drshnaps.com%2Fsheets%2FMedia%2FOther%2FGundam%2FGW-Misc.png&hash=5fb3370e557047fc5a2285112bceeb98f184d6ea)
I found most of the above here:- http://sdb.drshnaps.com/SpritesSNES.htm