More information is available at the community portal. You may ask questions at the help desk, village pump or on IRC channel #wikimedia-commons (webchat). You can also contact an administrator on their talk page. If you have a specific copyright question, ask at the copyright village pump.
Please do not upload attack/vandalism images such as File:Loud mouth, foul language, crazy awesome.jpg
If you continue to make use of such images on Commons, you will be blocked. Thanks.