MP3 Conversion Help Needed

Hello Folks–

I’m still using WL 4 as my mastering tool. Everything is great and I am very pleased, but I recently joined a group where song submissions have to be in MP3 format. When I take my finished master and convert it to MP3, it sounds like cr*p.

I record and master in 24/96. Should I dither the project down to Redbook before converting it to MP3 or should I convert straight to MP3 from the 24/96 master? The later is what I’ve been doing.

Are there any helps for MP3 conversion techniques?

Thank you!