The Mysterious Stranger Too tall
Ghosts of the Forums Too Tall
Sietse23 image size too large
Takatheeducatedkid image size too large
Neon Squirtle Safe
Invisible Banner Too wide
hawkmbl Safe - As long as you don't use offensive summary.
lavaburst14 Too tall
As always you have two days to fix your signature if are not safe, or risk strikes.
EDIT: Asheina Safe