Our first steps tour and our frequently asked questions will help you a lot after registration. They explain how to customize the interface (for example the language), how to upload files and our basic licensing policy (Wikimedia Commons only accepts free content).
You don't need technical skills in order to contribute here. Be bold when contributing and assume good faith when interacting with others. This is a wiki.
I uploaded a lot of your flickr-images. You'll find them here:
- Category:Hambacher Forst Protest (and Subcategories)
- Category:Blockupy 2014 (Frankfurt am Main) (*)
- Category:Ende Gelände 2016 (*)
(*) Those categories existed before and include also other pictures.