Whether the size is al right, using the 'Show preview' button at the bottom of the page can be used. Adjust the amount of pixels if necessary.
In the akvopedia environment, the following syntax is used to display a picture: '''<nowiki>[[Image:Akvo_africa.jpg|thumb|right|150px|Image title]]</nowiki>'''. Simply 'copy' and 'paste' this syntax in the akvopedia article you are editing.
However, this syntax is also present at the standard [[Format akvopedia page| Akvopedia format]] page, which can be changed to refer to the uploaded picture when creating a new akvopedia article.
Other details are optional and are found under Step 3 of this article.