Mod podge is a brand. you have various other decoupage glues available in the market. there is thai glue with sealer and my indian brands also have decoupage glue and sealers available. any of these can be used with the acrylic pains from fevicryl.

After colouring, you can frame them and gift it.

U can make beads for jewellary

Frame it once done.

Dark color

Acrylic paints

you can use acrylic colors or chalk paints but it is essential to prime the surface before using any paints.

You can use Acrylic Colours, let it dry and apply a coat of Fevicol

Fabric

Yes. You can use baking powder to make slime. However, do check the DIY by hopping onto this link: http://www.hobbyideas.in/diy/view/4-easy-steps-to-make-your-own-slime

http://www.hobbyideas.in/artonsale

Click on the link to upload your articles

Go to 'ART ON SALE' Tab and upload your articles.

Click on these links to get more Mixed Media Ideas -

http://www.hobbyideas.in/diy/view/kite-flying-painted-scene
http://www.hobbyideas.in/diy/view/snowman-pen-stand
http://www.hobbyideas.in/diy/view/name-plate-on-canvas