A larger set of help pages can be found in Wikipedia that you might want to consult:

Basic pages:

• Main Page, Welcome page, Community portal, Village pump, Help:Searching

Maintenance pages:

• Admin noticeboard, Deletion requests, Categories for discussion, Renaming a file, Renaming a category

Getting help:

• If you want to post a question about copyright issues that another editor will respond to, you can go here.

• If you have a general question about editing, uploading, the scope of the Wikimedia project, or anything else, you can post a question at the Help Desk and another user will reply.

Information for beginners:

• Commons:Sandbox (for experimenting)

• First steps: Account, Upload form, License selection, Quality and description, Sorting, File transfer and tools, Reuse, Structured data

• Frequently asked questions, Project scope, Category system, Language policy, Namespaces

Copyright information:

• Licensing, Copyright rules by territory, Copyright violations & deletion guidelines, Email templates

General information:

• Editor's index to Commons, Structured data

Software helpful for Wikimedia Commons:

• Media playback help

• Software and tutorials for editing media files

• • Video guide for uploading and using video files

• • Audio, Converting video, File types, Manipulating meta data

• • Help:Creating a DjVu file

• • Help:Scanning

• Tools for making work in Commons easier

• • Upload tools

Content:

• Free media resources, Map resources, Image casebook (Copyright rules by subject matter), Problematic sources, Bad sources

Templates:

• Copyright tags, Tag categories, audio templates, Infobox templates, Taxobox, Template messages, language templates