Replying to Camera recommendations/Help

I am loooking for some more camera gear. Lenses or lens attachments

I currently have/Use

~Canon T3i

~18-55 mm kit lens

~55-200 zoom lens

~rode mic

~Opteka x-grip

~Glidecam xr-2000

~some weird ass fisheye fucking lens screw on thing (dont even use)

~Light

**~~Will be used for filming as well as photogrpahy~~**

Looking for recommendations for lenses (i dont have alot of money)

~opinions on certain Rokinon lenses...what you use or recommend

~Other things your recommend ( please keep in mind i dont have alot of money)

Maybe want to buy:

T3i batteries

mafrotto quick release for my glidecam

canon fixed 50 mm lenses (prime lens)

Thank You