The metal used in the ATC above is green metal mesh and coppery coloured sequins.

Inks: stazon; catus green, timber brown, blazing red, saddle brown
Stamps: seahorse (unknown make), various twigs and leaves (Rubber Stamp Tapestry)
Card: metallic look back ground, white card with Dandelion fantasy film over the top

This ATC is made from black metal and is stamped and some of the dotty circles are pierced.
The two larger circles are black metal, stamped with white ink, embossed and textured then punched out and stuck onto white card circle edged with black pen.

Ink: white stazon, black pen
Stamps: from stampin up
Black metal sheets and white card

I made a few mistakes with this one. I tried to spray gold webbing spray onto metal but it didn’t stick so I then sprayed the metal with uhu glue first and then the gold webbing and this worked a bit better.

Inks and colours: pesto spray, gold webbing spray, red and green pens for glass
Stamp: Celtic swirls (Heritage Rubber stamp co.)
Materials: silver coloured metal, red/copper wire, green beads, gold and silver micro beads, green/brown fluffy fibre