i don't really get how to put a icona and banner can someone help me?

If te created the club under the banner on the right hand side there will be an modifica club button. Click that. At the very bottom there will be a place to carica a banner and icon.

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To put an icona and banner for your club, look under your current banner and it should say modifica club. Click modifica club. Then, scroll down until te see suggest a banner and icon. There, te carica the foto that te want to turn into your icona o banner. Here's my answer!!

go to modifica club after te make it scroll down and you'll see to spots where te can download a banner and another for your icona the banner must be 800x100 if anymore of less it won't look very good the icona te can be a bit più flexible on standard is 100x100 but i think te could still have a good one if te went up to 500x500 they would just modifica the size themselves to make it look good I hope i helped =)