How to use big signature

[furiousTaher]

I dont know if this is the right section, but a few guy(wont mention names) who are not moderators are using big signature pic(400x400).
but i cant upload something larger than 100x100.
how can i use bigger picture as signature?

[death_stalker_ak47]

Upload your image to tinypic, then use image link from tinypic to make your signature.

[xheon]

I use 560x160 and it looks pretty good

[aXeSwY]

Use your brain amigo , I will just say a signature picture size is limed yet you can use more then one picture