Within Uptime Infrastructure Monitor 7.2 or later if looking to add things like the Global Scan or Resource Scan all into one Custom Dashboard you can add them individually using the URL gadget. The following URL's will not have the buttons and the tabs at the top, giving a clean look.

Global Scan
http://localhost/main.php?section=GlobalScanMainPageGroups&subsection=list

Resource Scan
http://localhost/main.php?section=GlobalScanResourceScan&subsection=list

All services
http://localhost/main.php?section=GlobalScanAllServices&subsection=list

All Elements
http://localhost/main.php?section=GlobalScanAllEntities&subsection=list

SLA
http://localhost/main.php?section=GlobalScanSlas&subsection=list

Applications
http://localhost/main.php?section=GlobalScanApplications&subsection=list

Network
http://localhost/main.php?section=GlobalScanNetworkDevices&subsection=list