I bought some blue LED lights to install under my dash, but they
are single LEDs and leave a spotty look. I am going to buy a different
LED kit for my interior, so I was wondering if anyone had any suggestions
on where to put the ones I have now. I was thinking maybe the fender vents?

 

Single LED might look kind of weak in the fender vents. I don't know if you got 194's but you could put them in the map lights/door lights if you like that blue look. Or trunk/glovebox

 

not sure where you can put those lights, all depends on what type they are and how big.
you should look at the footwell lights that Rotary FX sells or you could always PM Rotary Rasp to see if he is still making any of his kits.

 

the led strips that v leds sell also look good if you use em as footwell lights and not pricey either

 

Aipex8 is the LED guru on here. Check out this very long thread with pictures. https://www.rx8club.com/series-i-exterior-appearance-body-kits-27/new-leds-wow-bright-158590/

VLEDs is the vendor of choice for LEDs for most folks. They offer a discount code mentioned in the thread.

LED light strips.

 

These are the LEDs that I have...there are 4 on each side.

 

maybe you could create a diffuser, that way the light will get scattered a bit instead of being concentrated like that. It might be a bit much but even some sort of rounded metal reflector? I dunno...I don't know if I'm describing it well. Or how about some of that plastic that goes over the fluorescent lights.

Or you could use them for the Holidays and spruce up the tree!