Adding external images on site pages

Hello Team,

I would like to know how to add external images on the site pages:

1) Adding external image on the login screen, which is not having search bar and other tabs, just login boxes (Username, password, lost password, Twitter login). I want to add some external images in that portion...how to do it and in which folder i need to go as im using Time-theme.

2) Adding external images within the site, once logged in say on the home page, or on other pages. Im using Time-theme and elgg 1.11.4

3) How to adjust the size of the home page (body)....in which folder should i go (within the mod or from core) and which lines have to be adjuested to increase the size of page, ht or width or length...im using time-theme and have incorporated external image on the topbar...after increasing size of topbar my home page boxes are getting eclipsed so want to increase its size.

Your help will be highly appreciated.

 

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