Help:Upload and add image to the page
From SurveyWiki
Every image in SurveyWiki gets its own page in File: namespace.
To add an image to the page it needs first to be uploaded to the database.
Uploading an image
Only logged-in users can upload images to SurveyWiki.
Uploaded image type can by one of png, gif, jpg, jpeg, svg and its size must be less than 2Mb.
To upload file to the database use Special:Upload page and fill in the form. Link to this page can be found either under Wiki tools -> Upload file or Navigation -> Special pages -> Media reports and uploads -> Upload file. Both Wiki tools and Navigation are in the upper left part of each page but their exact position depends on the skin being used.