[Grrrit]

Are their any inexpensive and more importantly safe alternatives to the silicon ge offers?

 

[Julio]

if you are just looking to glue stuff to the background, just use gorrilla glue, dries fast and expands.

 

[Wolfenrook]

if you are just looking to glue stuff to the background, just use gorrilla glue, dries fast and expands.

+1. I use gorilla glue for all of my backgrounds, usually with carved and heat gunned polystyrene sheet and ground xaxim. Gives a gorgeous natural look, with minimal effort. Here's my most recent effort so you can see for yourself how well it works:-

Ade