"RTF/ODF-Scan for Zotero is an add-on for the Zotero reference manager software that allows users to insert citation markers into any document saved as .odt (e.g. by software such as google docs or Scrivener) and then convert those into active Zotero citations. It requires Zotero, LibreOffice and the Zotero LibreOffice plugin.
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"This extension adds 4 themes to your gallery with more than 400 cliparts dealing with security at work. Better than bitmap, cliparts are vector graphics in ODF format: there is no lost of clarity when magnifying. In Draw, you may modify them or retrieve some parts to build your own signs"