Hi zipforia :)
With iLauncher, unlike PocketBreeze, the height will fit it self automatically according to the number of icon rows that you have on the tabs (the tab with the maximum rows is the one to determine the plugin height).
However, if I understand the situation correctly, your issue is actually not with iLauncher but with PocketBreeze that needs to be higher in order for you to have all of the PB tabs visible when using the vertical tabs mode.
As Frenchy said, the correct solution for you will be to modify PB's height. You can also read more how to do it in the following URL on our forums:
http://www.sbsh.net/forums/index.php?showtopic=1825