How to set a beamer theme with multiple background images on a beamer?
32920
setbackgroundtemplate on title page within custom theme file
52214
New Beamer Version: Transparent Title Page Boxes
107784
Beamer theme Error
131046
Changing default width of blocks in beamer
150568
Combining  with allowframebreaks in beamer
20454
What is the best way to combine tikz pictures and beamer overlays
78433
Background images on options
126163
How do I get a constant Background Image?
1608
How to let background image cover entire Beamer slide?
39141
How to use background image in LaTeX?
155988
How do I customize Beamer template?
125686
graphics with \setbeamercovered{transparent}
88460
Can we set a background image to tabs?
113330
Simple Beamer Template for Total Beginners
68242
What beamer environment is text within a frame?
122884
Multiple outputs for beamer handouts
154686
Transparent image background in beamer