Guys I have a problem, gamejolt does not accept the thumbnail, how do I fix it?

New Mod

guys a few hours ago I published the update of tord bot hd if you want to download it update:https://gamejolt.com/games/agus64xDy43543/645347

An out of boredom Bf sprite sketch

GUYS I ALREADY UPLOADED MY MOOD AFTER 1 MONTH GO TO DOWNLOAD IT if you want (the mod is a demo) mod:https://gamejolt.com/games/agus64xDy43543/645347

Nene

I took the day off today

Which thumbnail do you prefer?

._.

Illegal instruction (repost)

:v