Automate adding entries to a wiki

Got to appropriate page on the wiki

for each team member (DeveloperA, DeveloperB, DeveloperC)
{
    for each of two files ('*_current.jpg', '*_lastweek.jpg')
    {
        Select 'Attach' link on page
        Select the 'manage' link next to the file to be updated
        Click 'Browse' button
        Browse to the relevant file (which has the same name as the previous version)
        Click 'Upload file' button
    }
}