At the top of the Members Web Part, click the Web Part Menu
arrow next to Members, and then click Modify My Web Part.
Do any of the following:
In the Number of items to display box, type the maximum number of member names you want to be able to display in the Web Part. The number must be between 1 and 1,000.
In the Toolbar Type list, specify the kind of toolbar you want for the Web Part.
To include the Add New Member link in the Web Part, click Summary. To omit the link, click No toolbar.
In the Appearance and Layout sections, specify options as you would for any Web Part.
