This texture pack simply changes your default nether portals to animated rainbow portals,
(I used BlazeFire78s’ seed for capturing images of portal)
Continue reading for more information, pictures & gifs of portal:
In day & Night:
(Sorry gifs are a bit heavier than 1 MB I made it as small as I could with minimal lose in quality)
A closer look:
CM shaders (in picture) Will not come out unless I see it works with render dragon, Which It won’t I guess…
Click the link, Wait a few seconds, complete the captcha & you'll have the MediaFire link. Apply the texture pack to your worlds. Good Luck!