function Streams_after_Users_User_saveExecute($params)
{
    // If the username or icon was somehow modified,
    // update all the avatars for this publisher
    $modifiedFields = $params['modifiedFields'];
    $user = $params['row'];
    $updates = array();
    if (isset($modifiedFields['username'])) {
        $updates['username'] = $modifiedFields['username'];
    }
    if (isset($modifiedFields['icon'])) {
        $updates['icon'] = $modifiedFields['icon'];
    }
    if ($user->id === Users::communityId()) {
        $firstName = Users::communityName();
        $lastName = Users::communitySuffix();
        $firstName = $firstName ? $firstName : "";
        $lastName = $lastName ? $lastName : "";
    } else {
        $firstName = Q::ifset(Streams::$cache, 'register', 'first', '');
        $lastName = Q::ifset(Streams::$cache, 'register', 'last', '');
    }
    if ($params['inserted']) {
        // create some standard streams for them
        $onInsert = Q_Config::get('Streams', 'onInsert', 'Users_User', array());
        if (!$onInsert) {
            return;
        }
        $p = new Q_Tree();
        $p->load(STREAMS_PLUGIN_CONFIG_DIR . DS . 'streams.json');
        $p->load(APP_CONFIG_DIR . DS . 'streams.json');
        $values = array('Streams/user/firstName' => $firstName, 'Streams/user/lastName' => $lastName);
        // Check for user data from facebook
        if (!empty(Users::$cache['facebookUserData'])) {
            $userData = Users::$cache['facebookUserData'];
            foreach ($userData as $name_fb => $value) {
                foreach ($p->getAll() as $name => $info) {
                    if (isset($info['name_fb']) and $info['name_fb'] === $name_fb) {
                        $onInsert[] = $name;
                        $values[$name] = $value;
                    }
                }
            }
        }
        foreach ($onInsert as $name) {
            $stream = Streams::fetchOne($user->id, $user->id, $name);
            if (!$stream) {
                // it shouldn't really be in the db yet
                $stream = new Streams_Stream();
                $stream->publisherId = $user->id;
                $stream->name = $name;
            }
            $stream->type = $p->expect($name, "type");
            $stream->title = $p->expect($name, "title");
            $stream->content = $p->get($name, "content", '');
            // usually empty
            $stream->readLevel = $p->get($name, 'readLevel', Streams_Stream::$DEFAULTS['readLevel']);
            $stream->writeLevel = $p->get($name, 'writeLevel', Streams_Stream::$DEFAULTS['writeLevel']);
            $stream->adminLevel = $p->get($name, 'adminLevel', Streams_Stream::$DEFAULTS['adminLevel']);
            if ($name === "Streams/user/icon") {
                $sizes = Q_Config::expect('Users', 'icon', 'sizes');
                sort($sizes);
                $stream->setAttribute('sizes', $sizes);
                $stream->icon = $user->iconUrl();
            }
            if (isset($values[$name])) {
                $stream->content = $values[$name];
            }
            $stream->save();
            // this also inserts avatars
            $o = array('userId' => $user->id, 'skipAccess' => true);
            $so = $p->get($name, "subscribe", array());
            if ($so === false) {
                $stream->join($o);
            } else {
                $stream->subscribe(array_merge($o, $so));
            }
        }
        // Save a greeting stream, to be edited
        $communityId = Users::communityId();
        Streams::create($user->id, $user->id, "Streams/greeting", array('name' => "Streams/greeting/{$communityId}"));
        // Create some standard labels
        $label = new Users_Label();
        $label->userId = $user->id;
        $label->label = 'Streams/invited';
        $label->icon = 'labels/Streams/invited';
        $label->title = 'People I invited';
        $label->save(true);
        $label2 = new Users_Label();
        $label2->userId = $user->id;
        $label2->label = 'Streams/invitedMe';
        $label2->icon = 'labels/Streams/invitedMe';
        $label2->title = 'Who invited me';
        $label2->save(true);
        // By default, users they invite should see their full name
        $access = new Streams_Access();
        $access->publisherId = $user->id;
        $access->streamName = 'Streams/user/firstName';
        $access->ofUserId = '';
        $access->ofContactLabel = 'Streams/invited';
        $access->grantedByUserId = $user->id;
        $access->readLevel = Streams::$READ_LEVEL['content'];
        $access->writeLevel = -1;
        $access->adminLevel = -1;
        $access->save();
        $access = new Streams_Access();
        $access->publisherId = $user->id;
        $access->streamName = 'Streams/user/lastName';
        $access->ofUserId = '';
        $access->ofContactLabel = 'Streams/invited';
        $access->grantedByUserId = $user->id;
        $access->readLevel = Streams::$READ_LEVEL['content'];
        $access->writeLevel = -1;
        $access->adminLevel = -1;
        $access->save();
        // NOTE: the above saving of access caused Streams::updateAvatar to run,
        // insert a Streams_Avatar row for the new user, and properly configure it.
    } else {
        if ($modifiedFields) {
            if ($updates) {
                Streams_Avatar::update()->set($updates)->where(array('publisherId' => $user->id))->execute();
            }
            foreach ($modifiedFields as $field => $value) {
                $name = Q_Config::get('Streams', 'onUpdate', 'Users_User', $field, null);
                if (!$name) {
                    continue;
                }
                $stream = isset(Streams::$beingSaved[$field]) ? Streams::$beingSaved[$field] : Streams::fetchOne($user->id, $user->id, $name);
                if (!$stream) {
                    // it should probably already be in the db
                    continue;
                }
                $stream->content = $value;
                if ($name === "Streams/user/icon") {
                    $sizes = Q_Config::expect('Users', 'icon', 'sizes');
                    sort($sizes);
                    $attributes = $stream->attributes;
                    $stream->setAttribute('sizes', $sizes);
                    $stream->icon = $changes['icon'] = $user->iconUrl();
                }
                Streams::$beingSavedQuery = $stream->changed($user->id);
            }
        }
    }
}