Like this:
Gnar:
Summoner Icons:
New Gold Division:
And there are some new Splasharts like:
everything of this stuff is from the PBE client and is included in current PBE patch.
There was a Zed file too which is called: Zed_3 and Zed_Splash_3
Btw there is a new Kayle and a new MF Skin but i didn't find these spalsh's they are not included to the client as Placeholder IMG or something but they are called: Riot Kayle and Arcade Miss Fortune
Finally i found right now Videos for these 2 skins here: