How do i get in better shap..

I am a vegan/vegetarian

so i dont use products that are tested on animals

and i have Keratosis Pilaris and it's winter so my skin looks worse from the cold

i have KP on my upper arms, cheeks and neck

how do i get smoothe, glowing, healthy looking skin within 5 weeks [my birthday is feb. 18th]

and also i want to lose a few pounds and get toned

i'll be 16

i'm about 141 lbs and i'm 5'5 1/2

i eat pretty well [lots of veggies, fruits, soy, whole grain, ect]

but i need good exercise tips that will help me get in shape kinda fast

it's waaay to cold here to go running outside

i have 5 lb weights

and i take aerobics in school [but it doesnt help much]

i want toned arms, and abs, and slimmer thighs

if you don't know what KP is go here

http://www.helpforkp.com/

Use Creams Which dont have animal fat and gelitine(pork) Like Sun Silk

what u need to do is surprise ur metabolism and eat different foods...and make sure to drink 8 glasses of water a day^_^